These tools competes with

HeliconevsLangfuse

LLM observability, cost tracking, request logging versus OSS LLM engineering platform

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Choose Helicone when…

  • You want one-line LLM observability setup
  • Caching LLM responses to cut costs matters
  • You're an early-stage startup optimizing quickly

Choose Langfuse when…

  • You want open-source LLM observability
  • Self-hosting your tracing stack is important
  • You need cost tracking across models and users

Side-by-side comparison

Field
Helicone
Langfuse
Category
LLM Infrastructure
LLM Infrastructure
Type
Open Source
Open Source
Free Tier
✓ Yes
✓ Yes
Pricing Plans
Pro: Usage-based
Cloud: $59/mo
GitHub Stars
2,500
7,000
Health
80 Active
80 Active

Helicone

Open-source LLM observability platform. One-line integration to log every LLM request, track costs, and debug slow or failing calls.

Langfuse

Open-source platform for tracing, evaluations, and prompt management. Self-hostable alternative to LangSmith with clean UX.

Shared Connections6 tools both integrate with

Only Helicone (2)

LangfuseAnthropic API

Only Langfuse (24)

Claude CodeCrewAILangGraphLangChainCursorLlamaIndexOpenHandsDifyMastraAutoGen

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