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Pydantic

@pydantic.dev

1.1K followers 11 following 54 posts

The end-to-end AI engineering stack AI observability at scale without fail with Pydantic Logfire. Iterate with Pydantic Evals. Build type-safe agents with Pydantic AI. Track costs with AI Gateway.

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Pydantic @pydantic.dev · 14/07/2026

Pydantic is going to @europython.eu 2026 🐍 @summerscope.bsky.social and @marcelotryle.bsky.social are speaking. Jiri Kuncar and @laisbsc.bsky.social will be roaming the halls with stickers (ask away). If you use any dev tool we maintain, say hi. Feedback, requests, and complaints all welcome.

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Pydantic @pydantic.dev · 03/04/2026

A model discovered a contradiction between the Bible and biology textbooks. It had access to a lot of compute so it consumed an entire data center's worth of it, debating the Immaculate Conception with itself. This talk is 15 mins of real production AI failures and what it took to debug them.

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Pydantic @pydantic.dev · 01/04/2026

AI observability pricing is a lot. We modeled three scenarios across Logfire, Arize AX, Langfuse, and LangSmith. Same assumptions, real numbers. At 5 users and 50M spans/mo, Logfire is between 8 and 40 times cheaper than competitors. pydantic.dev/articles/ai-observability-pricing-comparison

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Pydantic @pydantic.dev · 02/01/2025

Pydantic enters the top 25 most downloaded python packages in December for the first time.

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Pydantic @pydantic.dev · 25/11/2024

"This totally feels like magic." Pydantic Logfire showing distributed traces from both Python and Node.

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