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This page shows the Star History and the facts of 2 to 5 repositories in the Repository Index, side by side. You choose the repositories. The page does not rank them.
Facts
| Fact | Arize-ai/phoenix AI Observability & Evaluation | 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 applications while controlling costs and managing access to models and data. | comet-ml/opik Debug, evaluate, and monitor your LLM applications, RAG systems, and agentic workflows with comprehensive tracing, automated evaluations, and production-ready dashboards. | langchain-ai/langchain The agent engineering platform. | headroomlabs-ai/headroom Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 20% fewer tokens for coding agents, 60-95% fewer tokens for JSON, same answers. Library, proxy, MCP server. |
|---|---|---|---|---|---|
| Stars | 12,165 | 28,695 | 23,207 | 149,105 | 78,937 |
| Net stars, last 30 days | +447 | +434 | +822 | +2,008 | +4,646 |
| Largest star day | +29 on Sep 16, 2026 | +38 on May 6, 2026 | +104 on Jun 30, 2026 | +148 on Apr 27, 2026 | +3,899 on Jun 19, 2026 |
| Milestone reached in the record | 10,000 on Jun 10, 2026 | None | None | None | 50,000 on Jun 25, 2026 |
| Forks | 1,265 | 6,587 | 1,927 | 25,081 | 6,171 |
| Language | Python | Python | Python | Python | Python |
| License | Other license | APACHE-2.0 | APACHE-2.0 | MIT | APACHE-2.0 |
| Created | Nov 9, 2022 | Jun 5, 2018 | May 10, 2023 | Oct 17, 2022 | Jan 7, 2026 |
| Last push | Nov 6, 2026 | Nov 5, 2026 | Nov 6, 2026 | Nov 5, 2026 | Nov 6, 2026 |
| Archived | No | No | No | No | No |
| Health facts: Maintenance | 4 of 4 checks | 4 of 4 checks | 4 of 4 checks | 4 of 4 checks | 4 of 4 checks |
| Health facts: Releases | 2 of 3 checks | 3 of 3 checks | 2 of 3 checks | 1 of 3 checks | 3 of 3 checks |
| Health facts: Security practice | 1 of 1 check | 1 of 1 check | 1 of 1 check | 1 of 1 check | 1 of 1 check |
| Health facts: Community files | 3 of 3 checks | 2 of 3 checks | 2 of 3 checks | 3 of 3 checks | 3 of 3 checks |
| Commits, last 13 weeks | 1,175 | 1,439 | 1,241 | 614 | 1,021 |
| Weeks with commits, last 52 | 52 of 52 | 52 of 52 | 52 of 52 | 52 of 52 | 43 of 52 |
| In the Repository Index since | Oct 22, 2026 | Oct 22, 2026 | Oct 22, 2026 | Oct 22, 2026 | Oct 22, 2026 |
Topics that all of them have on the Repository Host: openai, langchain. The facts come from the Repository Host and from the Star History that AwesomeRepos records. A shared topic does not mean that one repository can replace another. Each Health Facts row is one dimension alone. AwesomeRepos does not add them into one score. How each check is defined