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Technologies / Anthropic / OpenAI API

Companies using Anthropic and OpenAI API

4 companies in our data have public evidence for both Anthropic and OpenAI API, and 4 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.

4companies use both
under 1%of Anthropic users
40%of OpenAI API users
4name both as subprocessors

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

CompanyAnthropicOpenAI API
Descriptdescript.comDescript provides an AI-powered video and audio editing platform with transcription, recording, and clip-generation tools.AI and machine learningDesign and creative
JourneyTrackjourneytrack.ioJourneyTrack provides a platform for deciding which customer journey moments to fix, in what order, and whether fixes worked.
Oraionoraion.comOraion provides a context catalog that gives AI models business definitions, metadata, relationships and permissions so agents and workflows work from a governed foundation.AI and machine learningData and analytics
Triple Whaletriplewhale.comTriple Whale provides an AI operating system for ecommerce businesses that unifies data across channels and offers measurement, analytics, and automation tools.Data and analyticsE-commerce

The two technologies

Anthropic

AI and LLM providers

Anthropic is a public benefit corporation dedicated to securing the benefits of AI and mitigating its risks. It is used for the responsible development and maintenance of advanced AI for the long-term benefit of humanity.

Summarized from anthropic.com on 8 Nov 2026.

under 1% of the 2,965 companies we see using Anthropic also show the other.

All 2,965 companies using Anthropic2,275 name it as a subprocessorMore in AI and LLM providers

OpenAI API

AI and LLM providers

40% of the 10 companies we see using OpenAI API also show the other.

All 10 companies using OpenAI API10 name it as a subprocessorMore in AI and LLM providers

Industries

Among the companies above, by our own classification of their homepage.

AI and machine learning2Data and analytics2

Other pairs

Companies with their own evidence for both.

More with Anthropic

Cloudflare2,957companiesGoogle Workspace2,166companiesOpenAI2,027companiesAmazon Web Services1,571companiesStripe1,568companiesGoogle1,446companies

More with OpenAI API

Cloudflare10companiesGoogle Workspace9companiesAmazon Web Services5companiesGoogle Analytics5companiesGoogle Tag Manager5companies

Questions

How many companies use both Anthropic and OpenAI API?

4 companies in StrataDB's data have public evidence for both, and 4 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 Anthropic and OpenAI API?

Descript, JourneyTrack, Oraion and Triple Whale. Each one links to the evidence behind it.

How does StrataDB know a company uses Anthropic and OpenAI API?

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 Anthropic and OpenAI API

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
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