phoenix

Repository facts

Stars

11,897

Forks

1,215

Open issues and pull requests

1,167

Primary language

Python

License

Other license

Owner

Arize-ai · Organization

Created

Nov 9, 2022

Last push

Oct 17, 2026

Topics

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

Rank #680 of 9,507 in AI on GitHub, by stars. Data from the GitHub API, fetched Oct 18, 2026; star counts change daily. Stars measure popularity, not quality or safety, and a listing is not an endorsement. How this list is made

Related projects

Projects that share this one’s GitHub topics.

• 2,183

  Rank 2,183: truera/trulens

  Evaluation and Tracking for LLM Experiments and AI Agents

  3,602 starsPythonMITLast push Oct 16, 2026

• 289

  Rank 289: mlflow/mlflow

  The open source AI engineering platform for agents, LLMs, and ML models. MLflow enables teams of all sizes to debug, evaluate, monitor, and optimize production-quality AI applicat…

  28,438 starsPythonApache-2.0Last push Oct 18, 2026

• 5,181

  Rank 5,181: Arize-ai/openinference

  OpenTelemetry Instrumentation for AI Observability

  1,269 starsPythonApache-2.0Last push Oct 16, 2026

• 2,317

  Rank 2,317: lmnr-ai/lmnr

  Laminar - open-source observability platform purpose-built for AI agents. YC S24.

  3,401 starsTypeScriptApache-2.0Last push Oct 18, 2026

• 361

  Rank 361: comet-ml/opik

  Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards.

  22,708 starsPythonApache-2.0Last push Oct 18, 2026

• 5,850

  Rank 5,850: JudgmentLabs/judgeval

  The Continuous-Improvement Stack for Agents. Our environment data and evals power agent improvement and monitoring.

  1,068 starsPythonApache-2.0Last push Oct 18, 2026