A self-hosted alternative to LangSmith that provides a middleware proxy for LLM requests. It captures detailed logs, latency metrics, and token usage with a single line of code integration.
Tech Stack
TypeScriptMonitoring & Logs
Why helicone?
• High-performance ClickHouse backend
• Real-time cost estimation
• Simple proxy-based architecture
Limitations
• Requires infrastructure management
• Limited advanced evaluation suites
• Proxy adds minor latency
3/5/2026
Last Update
495
Forks
64
Issues
Apache-2.0
License
Financial Leak Detected
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