pydantic/pydantic-ai v1.0.3

v1.0.3 (2025-09-10)

on GitHub

What's Changed

• Include thinking parts in subsequent model requests to improve performance and cache hit rates by @DouweM in #2823
• Add on_complete callback to AG-UI functions to get access to AgentRunResult by @ChuckJonas in #2429
• Support ModelSettings.seed in GoogleModel by @DouweM in #2842
• Add with agent.sequential_tool_calls(): contextmanager and use it in DBOSAgent by @DouweM in #2856
• Ensure ModelResponse fields are set from actual model response when streaming by @DouweM in #2848
• Send AG-UI thinking start and end events by @DouweM in #2855
• Support models that return output tool args as {"response': "<JSON string>"} by @shaheerzaman in #2836
• Support NativeOutput with FunctionModel by @DouweM in #2843
• Raise error when WebSearchTool is used with OpenAIChatModel and unsupported model by @safina57 in #2824

New Contributors

• @safina57 made their first contribution in #2824
• @shaheerzaman made their first contribution in #2836

Full Changelog: v1.0.2...v1.0.3