Home / Open source / phoenix
phoenix
MCP clientArize-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.