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Technologies / OpenAI / Pydantic Logfire

Companies using OpenAI and Pydantic Logfire

7 companies in our data have public evidence for both OpenAI and Pydantic Logfire, and 6 name both in their own subprocessor list. Each company below links to the source for every claim. Our coverage is partial, so this is not everyone.

7companies use both
under 1%of OpenAI users
70%of Pydantic Logfire users
6name both as subprocessors

Companies using one are 5.0 times as likely as the average company in our data to show evidence of the other.

The companies

Strongest evidence first: a company naming both in its own subprocessor list comes before one seen on its website or in job postings.

Subprocessor listPrivacy policyWebsiteJob postings

CompanyOpenAIPydantic Logfire
Agatonagaton.aiAgaton analyzes customer conversations using voice AI to surface sales opportunities, retention risks, and quality issues.AI and machine learningCustomer support
dojodojoai.comDojo provides a workspace where marketing teams run brand, performance, and creative work together.AI and machine learningMarketing
Hedrahedra.comHedra serves multimodal and physical AI models with production inference and inference optimization, and builds custom models with customers through forward-deployed researchers.AI and machine learning
Paretapareta.aiPareta is a verified-inference provider that routes API requests to Pareta-hosted specialist models, verifies the results, and escalates to a frontier model when needed.AI and machine learning
Semaloopsemaloop.comSemaloop provides agents that test mobile apps like real users across app flows.Developer tools
Squintsquint.aiSquint provides industrial AI software that captures operational knowledge and generates procedures, work instructions, and troubleshooting guidance for frontline workers.AI and machine learningManufacturing
GuruSupgurusup.comGurusup builds a Company Brain from a company's knowledge and deploys AI agents that execute tasks across its tools, teams, and channels.AI and machine learningProductivity and collaboration

The two technologies

OpenAI

AI and LLM providers

OpenAI is a platform that provides an API for building with OpenAI models. It is used to access models, tools, and services for tasks such as text generation, image generation, audio, and agents.

Summarized from developers.openai.com on 8 Nov 2026.

under 1% of the 3,324 companies we see using OpenAI also show the other.

All 3,324 companies using OpenAI2,547 name it as a subprocessorMore in AI and LLM providers

Pydantic Logfire

Observability

Pydantic Logfire is a full-stack observability and evaluation platform for AI agents, built on OpenTelemetry and framework-agnostic. It traces LLM calls, tool calls, database queries, APIs and custom code in one view so teams can debug, evaluate and improve AI applications in production.

Summarized from pydantic.dev on 8 Nov 2026.

70% of the 10 companies we see using Pydantic Logfire also show the other.

All 10 companies using Pydantic Logfire6 name it as a subprocessorMore in Observability

Other pairs

Companies with their own evidence for both.

More with OpenAI

Cloudflare3,304companiesGoogle Workspace2,490companiesAnthropic2,006companiesAmazon Web Services1,897companiesStripe1,661companiesGoogle1,560companies

More with Pydantic Logfire

Cloudflare10companiesGoogle Workspace10companiesGoogle Cloud6companiesPostHog6companiesWorkOS6companiesAmazon Web Services5companies

Questions

How many companies use both OpenAI and Pydantic Logfire?

7 companies in StrataDB's data have public evidence for both, and 6 of them name both in their own subprocessor list, the strongest evidence we hold. Our coverage is partial, so the real number is higher.

Which companies use OpenAI and Pydantic Logfire?

Agaton, dojo, Hedra, Pareta and Semaloop, and 2 more companies. Each one links to the evidence behind it.

How does StrataDB know a company uses OpenAI and Pydantic Logfire?

From four kinds of public evidence: subprocessor lists, privacy policies, website code and job postings. Each is kept apart with its source and the date we saw it. A company missing here means we found no evidence, not that it does not use them.

Find every company using OpenAI and Pydantic Logfire

See the full list with the source for each company, and run the same lookup for any technology from the API, Claude or your browser.

  • Every company and vendor, with its public source
  • 100 API calls a month, plus MCP and the Chrome extension
  • Work email only. No card, no sales call