Pydantic AIAI Gateway
End-to-end AI engineering stack
From our roots in open source, Pydantic is focused on developer experience. Ship type-safe applications with Pydantic Validation, Pydantic AI, Pydantic Logfire, and Pydantic Evals.
Build in Python, TypeScript, Rust, and Go. Observe and optimize on the cloud or self-host.
Companies that trust Pydantic
AI Software Development Lifecycle
Meet the Pydantic Stack
Case Studies
AutonomyAI gives coding agents Logfire via MCP to check production after merge and file follow-ups.
Learn how AutonomyAI caught 12 no-op deployments in five weeks→
Qualio uses Pydantic AI and Evals to turn plain-language quality criteria into auditable release gates.
Learn how Qualio gates every release with 300 evaluations→
Pydantic AI grounds STCC's clinical RAG in triage decision trees; Logfire makes every answer reviewable.
Learn how STCC reached 0% hallucinations in clinical triage→
Logfire gives GIC sub-second trace queries for live evaluation, deviation detection, and agent self-correction.
See how GIC made trace queries 150× faster→
See all case studies
End-to-end AI Engineering Stack
Build end-to-end type-safe applications with Pydantic Validation, Pydantic AI, Pydantic Logfire and Pydantic Evals.