Optimize Agent Performance.
Detect Hallucinations.
Catch Regressions.
Iterate with Confidence.
Optimize Agent Performance
Optimize Agent Performance.
Detect Hallucinations.
Catch Regressions.
Iterate with Confidence.
Optimize Agent Performance.
Optimize Agent Performance.
Detect Hallucinations.
Catch Regressions.
Iterate with Confidence.
Optimize Agent Performance
Judgment Labs is the post-building platform LLM teams trust to continuously monitor, test, and optimize mission-critical agent systems—grounded in research from Stanford and Berkeley AI Labs.





Built and backed by AI leaders from the world's top institutions
Built and backed by AI leaders from the world's top institutions










Research-Backed Metrics
Powered by the Osiris Evaluation Suite™, our metrics are designed to validate real-world agent systems, combining research rigor with production readiness.






See Failures Before Users Do.
Intelligent Monitoring
Detect regressions instantly and maintain agent quality post deployment.
Detect regressions instantly and maintain agent quality post deployment.
Detect regressions instantly and maintain agent quality post deployment.
Tracing and Debugging
Pinpoint bottlenecks and mistakes in development.
Tracing and Debugging
Pinpoint bottlenecks and mistakes in development.
Tracing and Debugging
Pinpoint bottlenecks and mistakes in development.
Tracing and Debugging
Pinpoint bottlenecks and mistakes in development.
Online Evaluation
Guardrail your agent with hallucination detection, answer relevancy, and 10+ other research-backed metrics.
Online Evaluation
Guardrail your agent with hallucination detection, answer relevancy, and 10+ other research-backed metrics.
Online Evaluation
Guardrail your agent with hallucination detection, answer relevancy, and 10+ other research-backed metrics.
Online Evaluation
Guardrail your agent with hallucination detection, answer relevancy, and 10+ other research-backed metrics.
Alerts and Notifications
Surface faults and regressions to your team in real-time via Slack, Email, PagerDuty, etc.
Alerts and Notifications
Surface faults and regressions to your team in real-time via Slack, Email, PagerDuty, etc.
Alerts and Notifications
Surface faults and regressions to your team in real-time via Slack, Email, PagerDuty, etc.
Alerts and Notifications
Surface faults and regressions to your team in real-time via Slack, Email, PagerDuty, etc.




Measure Smarter. Optimize Faster.
Data-Driven Experimentation
Test changes safely, iterate quickly, and ship with confidence.
Compare Workflow Versions
A/B test agent architectures, prompts, and models to make informed system optimizations.
Compare Workflow Versions
A/B test agent architectures, prompts, and models to make informed system optimizations.
Compare Workflow Versions
A/B test agent architectures, prompts, and models to make informed system optimizations.
Compare Workflow Versions
A/B test agent architectures, prompts, and models to make informed system optimizations.
10+ State-of-the-Art Evaluation Metrics
Leverage automated evaluations to reveal instruction-following errors, hallucinations, and more.
10+ State-of-the-Art Evaluation Metrics
Leverage automated evaluations to reveal instruction-following errors, hallucinations, and more.
10+ State-of-the-Art Evaluation Metrics
Leverage automated evaluations to reveal instruction-following errors, hallucinations, and more.
10+ State-of-the-Art Evaluation Metrics
Leverage automated evaluations to reveal instruction-following errors, hallucinations, and more.
Integrate with human feedback
Gather user and expert opinion to assess agent factuality, correctness, and other criteria.
Integrate with human feedback
Gather user and expert opinion to assess agent factuality, correctness, and other criteria.
Integrate with human feedback
Gather user and expert opinion to assess agent factuality, correctness, and other criteria.
Integrate with human feedback
Gather user and expert opinion to assess agent factuality, correctness, and other criteria.




Errors Aren't the End — They're Fuel.
Unlock Optimizations
Judgment Labs provides state-of-the-art analytical tools to uncover root causes of failure, creating self-learning loops for agents to scale quality over time.
Error Clustering
Automatically group agent failures to uncover patterns, prioritize fixes, and speed up root cause analysis.
Error Clustering
Automatically group agent failures to uncover patterns, prioritize fixes, and speed up root cause analysis.
Error Clustering
Automatically group agent failures to uncover patterns, prioritize fixes, and speed up root cause analysis.
Error Clustering
Automatically group agent failures to uncover patterns, prioritize fixes, and speed up root cause analysis.
Root Cause Analysis
Trace agent failures to their exact source—retriever, prompt, or tool call. Judgment’s Osiris Suite localizes errors to specific workflow components, enabling precise, targeted fixes.
Root Cause Analysis
Trace agent failures to their exact source—retriever, prompt, or tool call. Judgment’s Osiris Suite localizes errors to specific workflow components, enabling precise, targeted fixes.
Root Cause Analysis
Trace agent failures to their exact source—retriever, prompt, or tool call. Judgment’s Osiris Suite localizes errors to specific workflow components, enabling precise, targeted fixes.
Root Cause Analysis
Trace agent failures to their exact source—retriever, prompt, or tool call. Judgment’s Osiris Suite localizes errors to specific workflow components, enabling precise, targeted fixes.
Interpretability Tools
Osiris LLM judges explain evaluation metrics, helping teams prioritize meaningful fixes and accelerate improvements with confidence.
Interpretability Tools
Osiris LLM judges explain evaluation metrics, helping teams prioritize meaningful fixes and accelerate improvements with confidence.
Interpretability Tools
Osiris LLM judges explain evaluation metrics, helping teams prioritize meaningful fixes and accelerate improvements with confidence.
Interpretability Tools
Osiris LLM judges explain evaluation metrics, helping teams prioritize meaningful fixes and accelerate improvements with confidence.
Integrate Anywhere
Embed evals, monitoring, and optimization into any agent workflow—locally, in the cloud, or self-hosted—with lightweight SDKs and zero disruption to your existing systems.
Local, Cloud, or Self-Hosted
Works with Any Agent Framework
Integrate in Minutes
Lightweight and Low Latency




































Trusted by AI Leaders
See how leading ML engineers and AI teams use Judgment to evaluate, monitor, and improve their agent systems.

Every AI team should iterate with evals on Judgment Labs—the quality of evaluation is game changing.

You can’t automate mission-critical workflows without cutting-edge, research-backed evaluation. Judgment Labs delivers that at enterprise scale.

Every AI team should iterate with evals on Judgment Labs—the quality of evaluation is game changing.

You can’t automate mission-critical workflows without cutting-edge, research-backed evaluation. Judgment Labs delivers that at enterprise scale.

Every AI team should iterate with evals on Judgment Labs—the quality of evaluation is game changing.

You can’t automate mission-critical workflows without cutting-edge, research-backed evaluation. Judgment Labs delivers that at enterprise scale.

Every AI team should iterate with evals on Judgment Labs—the quality of evaluation is game changing.

You can’t automate mission-critical workflows without cutting-edge, research-backed evaluation. Judgment Labs delivers that at enterprise scale.