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Pydantic AI Updates: July 9, 2026

1. Pydantic AI Releases v2.7.0 With Azure Responses and Grok 4.5 Support

Pydantic AI. Pydantic AI shipped v2.7.0, adding Azure responses shorthand via the azure-responses: model prefix and integration for xAI’s grok-4.5. The release also lets agents override the model at call time even without a pre-configured model, and preserves HTTPX event hooks within the gateway. Source