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phoenix

MCP client

Arize-ai/phoenix · Enterprise stack · Enterprise

AI Observability & Evaluation

Verified via GitHub API

  • llmops
  • ai-monitoring
  • ai-observability
  • llm-eval
  • aiengineering
  • datasets
  • agents
  • llms
  • prompt-engineering
  • anthropic
  • evals
  • llm-evaluation
  • openai
  • langchain
  • llamaindex
  • smolagents

Data from GitHub API, refreshed Oct 17, 2026

Stars
11880
Forks
1211
License
Other
Language
Python
Last commit
Oct 17, 2026
Latest release
arize-phoenix-v20.23.0
Release date
Oct 16, 2026
Contributors
258
Open issues
982

Works with — from README

MCP
MCP client
Models
Bedrock, Claude, Ollama, OpenAI

Source: README.md keyword match (stated in README)

phoenix FAQ

Is phoenix free?

phoenix is open source under the Other license. Hosted services and infrastructure may have separate costs.

How popular is phoenix?

phoenix has 11880 GitHub stars as of Oct 17, 2026.

Is there a hosted version of phoenix?

A hosted alternative for phoenix is unknown (—) in this data.

What does phoenix work with?

From README: MCP client, Bedrock, Claude, Ollama, OpenAI.