helicone
by Helicone (organization)
🧊 Open source LLM observability platform. One line of code to monitor, evaluate, and experiment. YC W23 🍓 (description from the project’s GitHub page)
Repository facts
- Stars
- 6,225
- Forks
- 684
- Open issues and pull requests
- 171
- Primary language
- TypeScript
- License
- Apache License 2.0 (Apache-2.0)
- Owner
- Helicone · Organization
- Created
- Jan 31, 2023
- Last push
- Oct 10, 2026
Topics
Add this badge to your README
Shows this repository’s rank in AI on GitHub and links back to this page. Ranks are by stars and change when the list is refreshed. The badge is not an endorsement or a rating. About the badges
Markdown (for a README)
[](https://unitedstatesofamericasuperintelligence.com/github/helicone--helicone/)
HTML
<a href="https://unitedstatesofamericasuperintelligence.com/github/helicone--helicone/"><img src="https://unitedstatesofamericasuperintelligence.com/badges/github/helicone--helicone.svg" alt="Ranked #1,300 in AI on GitHub" height="20"></a>
Related projects
Projects that share this one’s GitHub topics.
Rank 198: langfuse/langfuse
🪢 Open source agent evals & observability: Trace, evaluate, and improve LLM applications with one open platform.
35,996 starsTypeScriptOther licenseLast push Oct 18, 2026
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
Rank 1,409: coze-dev/coze-loop
Next-generation AI Agent Optimization Platform: Cozeloop addresses challenges in AI agent development by providing full-lifecycle management capabilities from development, debuggi…
5,774 starsGoApache-2.0Last push Oct 16, 2026
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
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
Rank 2,404: pezzolabs/pezzo
🕹️ Open-source, developer-first LLMOps platform designed to streamline prompt design, version management, instant delivery, collaboration, troubleshooting, observability and more.
3,277 starsTypeScriptApache-2.0Last push Aug 21, 2026