Company lists · Data refreshed October 2026
Top 25 Large language model observability software companies worldwide
RevenueBase identified 126 company matches for large language model observability software companies worldwide as of October 2026 and tracks 882 professional contacts across them, including 239 with verified work emails. The United States is the largest market and San Francisco the largest hub.
This list covers company matches for large language model observability software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 20, 2026. Country and city lists for large language model observability software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest large language model observability software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 98 contacts → | ||||
Exact match “The unified interface for LLMs.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 2 | 84 contacts → | ||||
Exact match “Comet has been building AI developer tools since 2017, first for teams training their own models, and later for those building LLM-powered agents.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 3 | 78 contacts → | ||||
Exact match “Datasaur builds and deploys Private AI for organizations that can't send their data to someone else's cloud, banks, hospitals, government agencies, and enterprises handling…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 4 | 48 contacts → | ||||
Exact match “Prove AI provides the foundation for predictable and reliable production AI models and agents.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 5 | 31 contacts → | ||||
Exact match “Align AI (previously impaction.ai) is a product analytics platform for conversational-AI products that are powered by LLMs.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 6 | 28 contacts → | ||||
Exact match “We believe the future of AI will be built on specialized small language models.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 7 | 23 contacts → | ||||
Exact match “Langfuse is an open source AI engineering platform.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “H2LooP is an AI lab building domain-specific intelligence for system software engineering.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “Evaluation for LLM-Based Apps Release high-quality LLM apps quickly without compromising on testing.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “LLUMO AI is the leading platform for debugging and ensuring the reliability of Agentic AI systems.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “We make self-hosted LLMs apps(Chatbots, agents) for MNCs We make private custom Rag bots and AI for your business At SouthGuild.tech, we empower businesses to transform their…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “Humanloop is the LLM evals platform for enterprises.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 13 | 15 contacts → | ||||
Exact match “Estidama is a cutting-edge technology firm at the forefront of the artificial intelligence revolution.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 14 | 14 contacts → | ||||
Exact match “Observe & Optimize AI infrastructure for LLM apps Understand how your LLM apps consume AI infra and auto-remediate bottlenecks or wasteful spend to maximize ROI of your AI projects” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “Unlimidata builds the Autonomous Data Quality Trust Layer for Enterprise AI.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “We're building an automated AI engineer, powered by our open-source LLMOps platform that fuels ~1% of global LLM API spend.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 17 | 7 contacts → | ||||
Exact match “Accelerate your business with state-of-the-art large language models that integrate your knowledge.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 18 | 6 contacts → | ||||
Exact match “At Composo.ai, we hear everyone wants to ship AI features & agents fast, and with high confidence.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 19 | 6 contacts → | ||||
Exact match “AI coding tools have collapsed the software development lifecycle.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “With Langtail, rest assured your LLM applications will perform exactly as needed.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 22 | 4 contacts → | ||||
Exact match “DeepSent - Customizable and Reliable Domain-Specific LLM Solutions Completes domain-specific AI processes such as data analysis, task resolution and insight generation without…” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 23 | 4 contacts → | ||||
Exact match “Unleash your business potential with our LLM powered data solutions at scale” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 24 | 4 contacts → | ||||
Exact match “Bhabha AI stands at the forefront of AI innovation, harnessing in-depth data analysis to significantly enhance Large Language Model (LLM) capabilities.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
| 25 | 3 contacts → | ||||
Exact match “A collaborative AI observability platform.” Recorded in the RevenueBase company graph · Oct 20, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “large language model observability software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 126 large language model observability software companies worldwide
See the full list, filter by size, metro and specialty, and access 239 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Large language model observability software companies worldwide at a glance
As of Oct 20, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for large language model observability software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “large language model observability software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 239 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 20, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Large language model observability software companies by location
1 lists · largest firstEvery Large language model observability software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “large language model observability software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many large language model observability software companies are there worldwide?
RevenueBase identified 126 company matches for large language model observability software companies worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Openrouter tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most large language model observability software companies?
The United States leads with 31 companies. Every large language model observability software companies list by country and city is linked on this page.
Which city has the most large language model observability software companies?
San Francisco leads with 9 company records, followed by New York (5) and Bangalore (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 239 professional contacts with verified work emails tracked across these 126 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 20, 2026.
Ready to reach these companies? Verified emails and direct dials for all 126 large language model observability software companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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Company intelligence · public preview
Top 25 large language model observability software companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 126 matching company records for large language model observability software companies worldwide, with 882 tracked contacts and 239 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 large language model observability software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Openrouteropenrouter.aiHQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 98 contacts → |
“The unified interface for LLMs.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  COMETcomet.comHQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 84 contacts → |
“Comet has been building AI developer tools since 2017, first for teams training their own models, and later for those building LLM-powered agents.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Datasaurdatasaur.aiHQ: San Francisco Bay, CA, United StatesReported employees: 51-200 | San Francisco Bay, CA, United States | 51-200 | Exact match | 78 contacts → |
“Datasaur builds and deploys Private AI for organizations that can't send their data to someone else's cloud, banks, hospitals, government agencies, and enterprises handling…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Prove AIproveai.comHQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 48 contacts → |
“Prove AI provides the foundation for predictable and reliable production AI models and agents.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Coxwavecoxwave.comHQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 31 contacts → |
“Align AI (previously impaction.ai) is a product analytics platform for conversational-AI products that are powered by LLMs.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fastino Labsfastino.ai HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 28 contacts → |
“We believe the future of AI will be built on specialized small language models.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Langfuselangfuse.comHQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 23 contacts → |
“Langfuse is an open source AI engineering platform.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  H2looph2loop.aiHQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 17 contacts → |
“H2LooP is an AI lab building domain-specific intelligence for system software engineering.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Deepchecks NOW Check Pointdeepchecks.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 16 contacts → |
“Evaluation for LLM-Based Apps Release high-quality LLM apps quickly without compromising on testing.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Llumo AIllumo.aiHQ: Noida, IndiaReported employees: 11-50 | Noida, India | 11-50 | Exact match | 16 contacts → |
“LLUMO AI is the leading platform for debugging and ensuring the reliability of Agentic AI systems.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  South Guild Techsouthguild.techHQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 15 contacts → |
“We make self-hosted LLMs apps(Chatbots, agents) for MNCs We make private custom Rag bots and AI for your business At SouthGuild.tech, we empower businesses to transform their…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Humanloophumanloop.comHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Humanloop is the LLM evals platform for enterprises.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Estidama UAEestidama.aiHQ: Abu Dhabi, United Arab EmiratesReported employees: 11-50 | Abu Dhabi, United Arab Emirates | 11-50 | Exact match | 15 contacts → |
“Estidama is a cutting-edge technology firm at the forefront of the artificial intelligence revolution.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OKAHUokahu.ai HQ: Redwood City, CA, United StatesReported employees: 1-10 | Redwood City, CA, United States | 1-10 | Exact match | 14 contacts → |
“Observe & Optimize AI infrastructure for LLM apps Understand how your LLM apps consume AI infra and auto-remediate bottlenecks or wasteful spend to maximize ROI of your AI projects” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Unlimidataunlimidata.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 9 contacts → |
“Unlimidata builds the Autonomous Data Quality Trust Layer for Enterprise AI.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tensorzerotensorzero.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 9 contacts → |
“We're building an automated AI engineer, powered by our open-source LLMOps platform that fuels ~1% of global LLM API spend.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Studio Ousia INCousia.jp HQ: Chiyoda-ku, JapanReported employees: 1-10 | Chiyoda-ku, Japan | 1-10 | Exact match | 7 contacts → |
“Accelerate your business with state-of-the-art large language models that integrate your knowledge.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Composocomposo.aiHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“At Composo.ai, we hear everyone wants to ship AI features & agents fast, and with high confidence.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Controltheorycontroltheory.comHQ: Austin, United StatesReported employees: 1-10 | Austin, United States | 1-10 | Exact match | 6 contacts → |
“AI coding tools have collapsed the software development lifecycle.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Langtaillangtail.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 5 contacts → |
“With Langtail, rest assured your LLM applications will perform exactly as needed.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Radiantopsradiantops.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Deepsentdeepsent.aiHQ: Istanbul, TürkiyeReported employees: 1-10 | Istanbul, Türkiye | 1-10 | Exact match | 4 contacts → |
“DeepSent - Customizable and Reliable Domain-Specific LLM Solutions Completes domain-specific AI processes such as data analysis, task resolution and insight generation without…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Conformal AIconformal.io HQ: Remote, United StatesReported employees: 1-10 | Remote, United States | 1-10 | Exact match | 4 contacts → |
“Unleash your business potential with our LLM powered data solutions at scale” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Bhabha AIbhabha.ai HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 4 contacts → |
“Bhabha AI stands at the forefront of AI innovation, harnessing in-depth data analysis to significantly enhance Large Language Model (LLM) capabilities.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Evidently AIevidentlyai.comHQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 3 contacts → |
“A collaborative AI observability platform.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 126 company matches
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Large language model observability software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
126 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 126 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Large language model observability software companies by location
1 lists · largest firstEvery Large language model observability software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for large language model observability software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many large language model observability software companies did RevenueBase find worldwide?
The saved snapshot records 126 matching company records, 882 tracked contacts and 239 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 large language model observability software companies worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/large-language-model-observability-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 large language model observability software companies worldwide
RevenueBase records 126 matching company records for large language model observability software companies worldwide, with 882 tracked contacts and 239 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 20, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 large language model observability software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Openrouteropenrouter.ai HQ: New York, NY, United StatesReported employees: 11-50 | New York, NY, United States | 11-50 | Exact match | 98 contacts → |
“The unified interface for LLMs.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | COMETcomet.com HQ: New York, NY, United StatesReported employees: 51-200 | New York, NY, United States | 51-200 | Exact match | 84 contacts → |
“Comet has been building AI developer tools since 2017, first for teams training their own models, and later for those building LLM-powered agents.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Datasaurdatasaur.ai HQ: San Francisco Bay, CA, United StatesReported employees: 51-200 | San Francisco Bay, CA, United States | 51-200 | Exact match | 78 contacts → |
“Datasaur builds and deploys Private AI for organizations that can't send their data to someone else's cloud, banks, hospitals, government agencies, and enterprises handling…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Prove AIproveai.com HQ: San Diego, CA, United StatesReported employees: 11-50 | San Diego, CA, United States | 11-50 | Exact match | 48 contacts → |
“Prove AI provides the foundation for predictable and reliable production AI models and agents.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Coxwavecoxwave.com HQ: San Jose, CA, United StatesReported employees: 11-50 | San Jose, CA, United States | 11-50 | Exact match | 31 contacts → |
“Align AI (previously impaction.ai) is a product analytics platform for conversational-AI products that are powered by LLMs.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Fastino Labsfastino.ai HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 28 contacts → |
“We believe the future of AI will be built on specialized small language models.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Langfuselangfuse.com HQ: San Francisco, United StatesReported employees: 11-50 | San Francisco, United States | 11-50 | Exact match | 23 contacts → |
“Langfuse is an open source AI engineering platform.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | H2looph2loop.ai HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 17 contacts → |
“H2LooP is an AI lab building domain-specific intelligence for system software engineering.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Deepchecks NOW Check Pointdeepchecks.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 16 contacts → |
“Evaluation for LLM-Based Apps Release high-quality LLM apps quickly without compromising on testing.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Llumo AIllumo.ai HQ: Noida, IndiaReported employees: 11-50 | Noida, India | 11-50 | Exact match | 16 contacts → |
“LLUMO AI is the leading platform for debugging and ensuring the reliability of Agentic AI systems.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | South Guild Techsouthguild.tech HQ: Bangalore, IndiaReported employees: 11-50 | Bangalore, India | 11-50 | Exact match | 15 contacts → |
“We make self-hosted LLMs apps(Chatbots, agents) for MNCs We make private custom Rag bots and AI for your business At SouthGuild.tech, we empower businesses to transform their…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Humanloophumanloop.com HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 15 contacts → |
“Humanloop is the LLM evals platform for enterprises.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Estidama UAEestidama.ai HQ: Abu Dhabi, United Arab EmiratesReported employees: 11-50 | Abu Dhabi, United Arab Emirates | 11-50 | Exact match | 15 contacts → |
“Estidama is a cutting-edge technology firm at the forefront of the artificial intelligence revolution.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | OKAHUokahu.ai HQ: Redwood City, CA, United StatesReported employees: 1-10 | Redwood City, CA, United States | 1-10 | Exact match | 14 contacts → |
“Observe & Optimize AI infrastructure for LLM apps Understand how your LLM apps consume AI infra and auto-remediate bottlenecks or wasteful spend to maximize ROI of your AI projects” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Unlimidataunlimidata.com HQ: United StatesReported employees: 11-50 | United States | 11-50 | Exact match | 9 contacts → |
“Unlimidata builds the Autonomous Data Quality Trust Layer for Enterprise AI.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Tensorzerotensorzero.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 9 contacts → |
“We're building an automated AI engineer, powered by our open-source LLMOps platform that fuels ~1% of global LLM API spend.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Studio Ousia INCousia.jp HQ: Chiyoda-ku, JapanReported employees: 1-10 | Chiyoda-ku, Japan | 1-10 | Exact match | 7 contacts → |
“Accelerate your business with state-of-the-art large language models that integrate your knowledge.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Composocomposo.ai HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 6 contacts → |
“At Composo.ai, we hear everyone wants to ship AI features & agents fast, and with high confidence.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Controltheorycontroltheory.com HQ: Austin, United StatesReported employees: 1-10 | Austin, United States | 1-10 | Exact match | 6 contacts → |
“AI coding tools have collapsed the software development lifecycle.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Langtaillangtail.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 5 contacts → |
“With Langtail, rest assured your LLM applications will perform exactly as needed.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Radiantopsradiantops.com HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 5 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Deepsentdeepsent.ai HQ: Istanbul, TürkiyeReported employees: 1-10 | Istanbul, Türkiye | 1-10 | Exact match | 4 contacts → |
“DeepSent - Customizable and Reliable Domain-Specific LLM Solutions Completes domain-specific AI processes such as data analysis, task resolution and insight generation without…” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Conformal AIconformal.io HQ: Remote, United StatesReported employees: 1-10 | Remote, United States | 1-10 | Exact match | 4 contacts → |
“Unleash your business potential with our LLM powered data solutions at scale” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Bhabha AIbhabha.ai HQ: United StatesReported employees: 1-10 | United States | 1-10 | Exact match | 4 contacts → |
“Bhabha AI stands at the forefront of AI innovation, harnessing in-depth data analysis to significantly enhance Large Language Model (LLM) capabilities.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Evidently AIevidentlyai.com HQ: San Francisco, United StatesReported employees: 1-10 | San Francisco, United States | 1-10 | Exact match | 3 contacts → |
“A collaborative AI observability platform.” Recorded description excerpt · October 20, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 126 company matches
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Large language model observability software companies: dataset insights
October 20, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
126 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 126 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 20, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Large language model observability software companies by location
1 lists · largest firstEvery Large language model observability software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for large language model observability software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many large language model observability software companies did RevenueBase find worldwide?
The saved snapshot records 126 matching company records, 882 tracked contacts and 239 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 20, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 large language model observability software companies worldwide. Snapshot: October 20, 2026. https://revenuebase.ai/companies/browse/large-language-model-observability-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗