LM Evaluation Harness vs OpenCompass

LM Evaluation Harness

6.7 #20 in AI LLM Evaluation Tools

About LM Evaluation Harness

OpenCompass

6.5 #24 in AI LLM Evaluation Tools

About OpenCompass
LM Evaluation HarnessOpenCompass
Free planYes
Free trialNo
Paid fromFree
Platformsapi, Linux, self-hostedapi, Linux, self-hosted, Windows
Deploymentself-hostedself-hosted
Deployment optionsself-hosted
Custom metricsYes
Safety evaluationsYesYes
Evaluation methodsobjective; subjective; discriminative; generative; LLM-as-a-judge
Model supportHugging Face models; API-based models; custom models; OpenAI; Anthropic; Gemini; Qwen; GLM; DeepSeek

Listed together in Best AI LLM Evaluation Tools