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Companies / Pydantic / OpenAI

Does Pydantic use OpenAI?

Yes

We hold strong evidence for this.

  • The company names it in its own subprocessor list, a statement that this vendor handles its customers' data.

How we know

Subprocessor listProcesses data for the company10 Nov 2026Source

About Pydantic

Pydantic builds developer tools for AI engineering, including Pydantic AI for building agents and Logfire for tracing and evaluating them. It serves engineering teams building AI applications in Python and TypeScript.

Summarized from its homepage on 3 Nov 2026.

AI and machine learningDeveloper tools

What else Pydantic uses

Pydantic has evidence for 22 vendors. The strongest:

CloudflareGoogleAmazon Web ServicesAnthropicClayCustomer.ioGoogle CloudHubSpot

See the full Pydantic tech stack

Other companies using OpenAI

All 3,285 companies using OpenAI

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