← Back to Repositories Hub Language License Helicone/helicone Open-source LLM observability platform to trace, monitor, and cache API calls. Maintainer: Helicone Last Reviewed: 2026-06-22 Next Review: 2026-12-31 Editorial Owner: AI Delivery Hub Editorial Description & Purpose Open-source LLM observability platform to trace, monitor, and cache API calls. Architecture Summary Built as a modular framework in TypeScript, leveraging asynchronous processing and event loops to orchestrate LLM requests. Core Use Cases Token cost monitoring, gateway caching, payload logging. Alternatives Evaluated Alternative open-source orchestration packages 💻 View on GitHub 📖 View Documentation