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Tools/Helicone

Helicone

Open-source LLM observability platform for monitoring cost, latency, and usage.

helicone.ai
Screenshot of Helicone
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

Freemium

Free 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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