v1.26.0 (2025-12-02)

What's Changed

• Support JSON object output for Deepseek provider by @xcpky in #3601
• Clarify FallbackModel behavior on ValidationErrors by @dsfaccini in #3603
• Add latest Grok (xAI) models by @darjeeling in #3613
• Automatically omit TTL from cache_control when AnthropicModel is used with Bedrock client by @Wh1isper in #3616
• Add custom reasoning field support to OpenAI model profiles by @ZeroAurora in #3536
• Add gateway/...:... to Known Model Names by @dsfaccini in #3593

New Contributors

• @darjeeling made their first contribution in #3613
• @ZeroAurora made their first contribution in #3536

Full Changelog: v1.25.1...v1.26.0