What are the best alternatives to langfuse?

The top alternatives to langfuse are PostHog, SafetyBench Eval, Langfuse, ranked by real usage data on Unfragile.

Are there free alternatives to langfuse?

Yes, 19 free alternatives to langfuse exist, including PostHog, SafetyBench Eval, Langfuse.

Best Alternatives to langfuse

20 alternatives ranked by real usage data. langfuse scores 40/100 — 20 tools score higher.

🪢 Open source LLM engineering platform: LLM Observability, metrics, evals, prompt management, playground, datasets. Integrates with OpenTelemetry, Langchain, OpenAI SDK, LiteLLM, and more. 🍊YC W23

20 alternatives

19 free options

20 score higher

PostHog86/100FreeHigher rated

Open-source product analytics with LLM observability — traces, costs, evals unified with product metrics.

Best Alternatives to langfuse

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