Langfuse vs LM Evaluation Harness

Langfuse

6.3 #12 in AI Agent Observability Tools

About Langfuse

LM Evaluation Harness

4.9 #28 in AI LLM Evaluation Tools

About LM Evaluation Harness
LangfuseLM Evaluation Harness
Free planYesNo
Free trialNoNo
Paid from$29/mo—
Open sourceNoNo
Platformsapi, self-hosted, Web—
Free planYes—
Paid from29 /mo—
Deployment—self-hosted

Both are listed in Best AI LLM Evaluation Tools. On Samsung Mobile US Press, Langfuse scores higher on our published basis.