Measure what matters
Comprehensive evaluation infrastructure for frontier AI. From standardized benchmarks to human preference arenas, we help you understand how your models actually perform.
Evals for frontier AI systems
Every question deserves the right evaluation. Combine methods for full coverage across performance and preference.
Benchmarks
Offline evaluations against standardized test sets. Measure capabilities across reasoning, knowledge, coding, and more. Reproducible scores you can track over time.
Rubric-based evals
Expert-crafted scoring criteria for nuanced assessment. Multi-dimensional feedback on helpfulness, accuracy, safety, and style. Fine-grained signals beyond pass/fail.
Arena style
Head-to-head comparisons with real human preferences. Side-by-side model battles judged by domain experts. Elo ratings that reflect actual user preference.
Discover how top models perform with Labelbox Leaderboards
We bring precision to subjectivity. Enabling expert evaluations that reveal the blind spots of leading AI models across diverse topics.
Agentic Search
Why Labelbox for model evaluations
The same infrastructure that powers training data now powers your evaluations.
Same factory, different output
The same infrastructure that produces training data powers your evaluations. Consistent quality, shared expertise, unified pipeline.
Fast turnaround
Get evaluation results in 48 hours. Accelerate your iteration cycles without sacrificing quality or coverage.
Domain experts
Knowledge workers spanning major industries and verticals in the world's largest economies. Your models evaluated by people who actually understand the subject matter.
Custom rubrics
We work with you to define evaluation criteria that match your specific use case. Not one-size-fits-all — tailored to what you care about.
How it works
Define
Choose your evaluation type. Define rubrics, select benchmarks, or set up arena parameters. We help you design the right methodology.
Evaluate
Our platform and expert network execute evaluations at scale. Real-time quality monitoring ensures consistent, reliable results.
Analyze
Receive detailed reports with actionable insights. Breakdown by category, difficulty, and domain. Clear next steps for improvement.
Experience the difference with Labelbox
Get started with comprehensive AI evaluations today.