Overview
Helicone — Open-source LLM observability platform
Helicone is an open-source LLM observability platform that adds one line of code to log all LLM requests. It provides real-time cost tracking, latency monitoring, caching, user analytics, and prompt management — supporting OpenAI, Anthropic, Azure, and any LLM provider via a proxy layer.
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One-line integration
Cost tracking
Caching
User analytics
Features & capabilities
Everything it does, in plain English.
The honest take
Where it shines, where it stumbles.
✓ Pros
- ✓Trivial to integrate
- ✓Open-source
- ✓Good free tier
- ✓Provider-agnostic
! Watch-outs
- !Less features than commercial alternatives
- !Newer product
Who it's for
Where Helicone pays for itself fast.
LLM cost management
Production monitoring
Debugging AI applications
Team observability
Community reviews
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