Pydantic AI comes from the team behind Pydantic and brings type-safe design to AI development in Python. It covers agents, realtime voice, image generation and embeddings, with types checked end to end.
The docs cover dependencies, structured output, multimodal input, retries, multi-agent patterns and chat history. It works with many providers including OpenAI, Anthropic, Google, Groq, Mistral and Ollama. It is free for Python developers.