LLM observability in one line
Open-source proxy that logs every LLM call with caching, rate limits and cost analytics.
The open-source LLM observability gateway: log/cache/rate-limit all provider calls with one baseURL swap. Cost analytics that actually get used.
Who it's for
Developers who want open-source LLM observability with one-line proxy integration.
Official links
Keep exploring
Concepts in the glossary
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Helicone features
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Helicone is an alternative to
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