pydantic-ai 1.31.0

v1.31.0 (2025-12-11)

on Python PyPI

What's Changed

• Add prompt caching support for AWS Bedrock by @DenysMoskalenko in #3438
• Add Agent.output_json_schema() method by @g-eoj in #3454
• Allow custom clientInfo when connecting to MCP servers by @atinylittleshell in #3572
• Add provider_url to ModelResponse and use it in cost() by @mahiro72 in #3648
• Add GPT-5.2 and bump openai to v2.11.0 by @DouweM in #3713
• Allow model to be a string in LLMJudge by @samuelcolvin in #3711
• Fix OpenAIResponsesModel web search find_in_page action handling by @DouweM in #3709

New Contributors

• @mahiro72 made their first contribution in #3648
• @atinylittleshell made their first contribution in #3572

Full Changelog: v1.30.0...v1.31.0