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Technologies / Hound Technology / OpenAI

Companies using Hound Technology and OpenAI

4 companies in our data have public evidence for both Hound Technology and OpenAI, 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
50%of Hound Technology users
under 1%of OpenAI 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

CompanyHound TechnologyOpenAI
Hasurahasura.ioHasura provides products for accessing and using data, including PromptQL for AI and Hasura for APIs and GraphQL.AI and machine learningData and analytics
Playfulplayful.appPlayful lets people describe an app idea and builds a working mini app from it.Consumer apps
PromptQLpromptql.ioPromptQL provides AI bots that work on shared tasks such as dashboards, spreadsheets, documents, decks and boards, connecting to data sources and APIs.AI and machine learningData and analytics
tellitelli.comtelli provides an AI voice platform for handling customer calls.AI and machine learningCustomer support

The two technologies

Hound Technology

Observability

50% of the 8 companies we see using Hound Technology also show the other.

All 8 companies using Hound Technology8 name it as a subprocessorMore in Observability

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 3,304 companies we see using OpenAI also show the other.

All 3,304 companies using OpenAI2,530 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 learning3Data and analytics2

Other pairs

Companies with their own evidence for both.

More with Hound Technology

Cloudflare8companiesAmazon Web Services6companiesGoogle Tag Manager6companiesGoogle Workspace5companiesMicrosoft5companiesSlack5companies

More with OpenAI

Cloudflare3,289companiesGoogle Workspace2,481companiesAnthropic1,998companiesAmazon Web Services1,890companiesStripe1,652companiesGoogle1,552companies

Questions

How many companies use both Hound Technology and OpenAI?

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 Hound Technology and OpenAI?

Hasura, Playful, PromptQL and telli. Each one links to the evidence behind it.

How does StrataDB know a company uses Hound Technology and OpenAI?

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 Hound Technology and OpenAI

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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