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Pydantic Logfire
Innovator

The Pydantic Stack gives developers visibility to stay in flow, from local to production, from AI to API.

Pydantic Validation is the most widely used data validation library for Python—downloaded millions of times daily by thousands of developers worldwide. It enforces type annotations, plays nicely with type checkers and IDEs, and is both fast and extensible.

Pydantic AI is a Python agent framework built to help you confidently ship production-grade applications with Generative AI. Type-safe, model-agnostic, and ready for real work.

Pydantic Logfire is an observability platform built on OpenTelemetry. With SDKs for Python, TypeScript, and Rust, Logfire provides comprehensive observability for any workload in any language—with first-class support for AI, from LLM API calls to agent frameworks.

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Joined on 07 Oct 2024.

2025 Report, Submitted 07 Oct 2025

Average number of devs 14
Payments $30,700
Dollars per dev $2,193 / dev

2024 Report, Submitted 07 Oct 2024

Average number of devs 11
Payments $24,000
Dollars per dev $2,182 / dev
This information is provided directly by Pydantic Logfire. Open Source Pledge does not carry out any in-depth validation of this data.