11.19.2025: Expanded Provider Support with OpenAI 5.1 + Gemini 3🔧

Available in Phoenix 12.15+

This update enhances LLM provider support by adding OpenAI v5.1 compatibility (including reasoning capabilities), expanding support for Google DeepMind/Gemini models, and introducing the gemini-3 model variant.

feat(reasoning): support reasoning for openai, gemini and add gemini-3 by ArcticFaded · Pull Request #10309 · Arize-ai/phoenixGitHub