@arizeai/phoenix-mcp

--- description: Available in Phoenix 11.21+ --- # 08.09.2025: Playground Support for GPT-5 🚀 {% embed url="https://storage.googleapis.com/arize-phoenix-assets/assets/images/phoenix-docs-images/gpt-5-release-notes.png" %} **GPT-5** is now available in the Phoenix Prompt Playground. Run experiments with the new model, or grab previous traces and replay them using GPT-5. Test and leverage the latest model for evaluation and experimentation workflows. {% embed url="https://github.com/Arize-ai/phoenix/pull/8985" %}