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Helicone

Open-source LLM observability and monitoring through a single proxy line change

About Helicone

Helicone, founded in 2022 and YC-backed, provides LLM observability by acting as a proxy or async logger between applications and LLM providers. It offers request logging, caching, rate limiting, cost analytics, and user-level tracking with minimal integration overhead. The platform is fully open-source and used by Filevine, QA Wolf, Slate, and thousands of AI startups.

App Details

Category: AI & Machine Learning Tools

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