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Technologies / OpenAI / Photon

Companies using OpenAI and Photon

3 companies in our data have public evidence for both OpenAI and Photon, and 3 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.

3companies use both
under 1%of OpenAI users
50%of Photon users
3name 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

CompanyOpenAIPhoton
Adaptadapt.comAdapt provides company agents and the infrastructure to run them, including an open-source agent runtime, sandboxes, storage and a model gateway.AI and machine learningDeveloper tools
Caddycaddy.appCaddy is an AI assistant that users text through iMessage or RCS to manage calendars, reminders, messages, and tasks.AI and machine learningCommunications
Polsiapolsia.com

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 3,285 companies we see using OpenAI also show the other.

All 3,285 companies using OpenAI2,522 name it as a subprocessorMore in AI and LLM providers

Photon

Email and communications

Photon is a native Mac app for overlaying multiple calendars in any timezone and sharing your availability with others. It is used to quickly format a message showing when you are free to meet, without sending calendar event details to external servers.

Summarized from withphoton.com on 8 Nov 2026.

50% of the 6 companies we see using Photon also show the other.

All 6 companies using Photon5 name it as a subprocessorMore in Email and communications

Other pairs

Companies with their own evidence for both.

More with OpenAI

Cloudflare3,284companiesGoogle Workspace2,478companiesAnthropic1,997companiesAmazon Web Services1,891companiesStripe1,647companiesGoogle1,550companies

More with Photon

Cloudflare6companiesAnthropic5companiesStripe5companies

Questions

How many companies use both OpenAI and Photon?

3 companies in StrataDB's data have public evidence for both, and 3 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 Photon?

Adapt, Caddy and Polsia. Each one links to the evidence behind it.

How does StrataDB know a company uses OpenAI and Photon?

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 Photon

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