RagMetrics is the best LLM Judge on the market, offering automated evaluation loops, custom performance metrics, and A/B testing to improve your pipeline with data. It's compatible with all LLMs, commercial and open-source, and provides detailed analytics for smart tradeoffs between quality, latency, and cost.

Synthetic data (excl Zip files and no download), All AI Models, 1 custom metric, Library of 210 metrics, Dashboard, A/B Testing, Experiments, 1 user, 10 experiment runs, Community support via Discord
Synthetic data (limited), All AI Models, 3 Custom metrics, Library of 210 metrics, Dashboard, A/B Testing, Experiments, 3 users, 500 LLM Judgements per month, Email support
Synthetic data generation (unlimited), All AI Models, Unlimited Custom metrics, Library of 210 metrics, Dashboard, A/B Testing, Experiments, Unlimited users, 5,000 LLM Judgements per month, Dedicated account manager and Slack Channel, SSO / SAML, Cloud or on-prem