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.

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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.

Scalable — Built to support millions of runs across production workloads
Scalable — Built to support millions of runs across production workloads
Scalable — Built to support millions of runs across production workloads
Scalable — Built to support millions of runs across production workloads
Customizable — Flexible evaluation metrics tailored to your use cases
Customizable — Flexible evaluation metrics tailored to your use cases
Customizable — Flexible evaluation metrics tailored to your use cases
Customizable — Flexible evaluation metrics tailored to your use cases
Optimized — Precision-tuned for accuracy, latency, and cost-efficiency
Optimized — Precision-tuned for accuracy, latency, and cost-efficiency
Optimized — Precision-tuned for accuracy, latency, and cost-efficiency
Optimized — Precision-tuned for accuracy, latency, and cost-efficiency

Backed by

&

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.

Judgment Labs SDK

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
Local, Cloud, or Self-Hosted
Local, Cloud, or Self-Hosted

Local, Cloud, or Self-Hosted

Works with Any Agent Framework
Works with Any Agent Framework
Works with Any Agent Framework

Works with Any Agent Framework

Integrate in Minutes
Integrate in Minutes
Integrate in Minutes

Integrate in Minutes

Lightweight and Low Latency
Lightweight and Low Latency
Lightweight and Low Latency

Lightweight and Low Latency

Available on:
Python
Python
Python
Python

Trusted by AI Leaders

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

Avatar
Wei Li
Prev. GM of AI, Intel

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

Avatar
Chris Manning
Director, Stanford AI Lab

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

Avatar
Wei Li
Prev. GM of AI, Intel

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

Avatar
Chris Manning
Director, Stanford AI Lab

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

Avatar
Wei Li
Prev. GM of AI, Intel

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

Avatar
Chris Manning
Director, Stanford AI Lab

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

Avatar
Wei Li
Prev. GM of AI, Intel

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

Avatar
Chris Manning
Director, Stanford AI Lab

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