NVIDIA NeMo Evaluator vs Opik

NVIDIA NeMo Evaluator

7.0 #13 in AI LLM Evaluation Tools

About NVIDIA NeMo Evaluator

Opik

7.7 #3 in AI Agent Observability Tools

About Opik
NVIDIA NeMo EvaluatorOpik
Free planYesYes
Free trialNoYes
Paid fromFree$19/mo
Open sourceNoNo
Platformsapi, Linux, self-hostedapi, Linux, self-hosted, Web
Evaluation methodsBuilt-in benchmarks, exact match, fuzzy match, multiple-choice regex, answer-line, numeric match, code sandbox, LLM-as-judge, JSON-schema validation, regression comparison, quality gates—
Model supportOpenAI-compatible model endpoints, NVIDIA API Catalog, vLLM, NIM, local vLLM, SGLang, TensorRT-LLM, vision-language models—
Safety evaluationsYes—
Deploymentself-hosted—
Prompt versioningNo—
API accessYes—
Free plan—Yes
Paid from—19 /mo

Both are listed in Best AI LLM Evaluation Tools. On The Geeks Club, Opik scores higher on our published basis.