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Pydantic AI Harness

Harness for complex agents with capabilities like Coder, Advisor.

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What it does

Pydantic AI How Python does AI Agents, realtime voice, image generation, embeddings. Every model, every interface, typed end to end. Pydantic AI is the Python AI SDK: a typed, extensible agent loop with every model a string swap away. The same agent runs everywhere you need it : behind a web frontend , in the terminal , on a voice call , on a durable background queue , or as a plain object you call run() on. Image generation and embeddings come in the same box. Pydantic AI Harness has everything an agent needs for complex, long-running work, snapped on as capabilities , from memory , sub-agents , and context management to a complete coding agent . What are you building? From simple typed data extraction to complex, long-running multi-agent collaboration, Pydantic AI and Pydantic AI Harness have got you covered.

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Available capabilities

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Product features

Product features

Instrumentation with Pydantic Logfire

llms.txt

Putting it together: a bank support agent

Pydantic AI

What are you building?

Why Pydantic AI