Helicone
Open-source LLM observability platform for monitoring cost, latency, and usage.
helicone.ai
WebAPI
What is Helicone?
Helicone is a lightweight, open-source observability layer that sits between an application and its LLM provider, logging every request to track cost, latency, and errors, and giving teams dashboards and alerts without changing much application code.
Key features
- One-line integration via proxy or SDK
- Open-source and self-hostable
- Cost, latency, and usage dashboards
Pricing
FreemiumFree tier, usage-based paid plans
Verify on the official pricing page →Helicone use cases
- 1Monitoring LLM API cost and usage
- 2Debugging slow or failing LLM requests
- 3Tracking usage across teams or products
Who is Helicone for?
AI/ML engineersStartups running LLM applicationsEngineering teams tracking AI spend
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