pydantic/pydantic-ai v1.23.0

v1.23.0 (2025-11-25)

on GitHub

What's Changed

• Add Anthropic built-in WebFetchTool support by @sarth6 in #3427
• Allow user_prompt in HITL by @Wh1isper in #3528
• Add anthropic_cache_messages model setting and automatically strip cache points over the limit by @Wh1isper in #3442
• Add Gemini 3 Pro support to OpenRouterModel by @zeyuyuyu in #3548
• Ensure openrouter_reasoning model setting is sent to API by @xcpky in #3545
• Don't close custom httpx client provided to MCPServerHTTP by @DouweM in #3534
• Fix double counting of request tokens in evals by @dmontagu in #3553
• Fix pydantic_graph.beta.GraphRun GeneratorExit handling by @michgur in #3525
• Add test to ensure we allow message history starting with assistant message (model response) by @restless in #3519
• Remove README.md from wheel for pydantic-ai by @johnslavik in #3521
• Upgrade Ruff to v0.14.6 by @Viicos in #3547
• Use model_name property in OpenAIChatModel chat completion create request by @BBYNAI in #3543
• Pin huggingface-hub to <1 by @Kludex in #3557
• Add docs examples to use the Gateway aside from the gateway/<provider>:<model> shorthand by @dsfaccini in #3484

New Contributors

• @restless made their first contribution in #3519
• @johnslavik made their first contribution in #3521
• @michgur made their first contribution in #3525
• @zeyuyuyu made their first contribution in #3548
• @BBYNAI made their first contribution in #3543
• @sarth6 made their first contribution in #3427

Full Changelog: v1.22.0...v1.23.0