Great AI starts with great evaluation
Stop chasing generic benchmarks. Start building for your users.
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Evaluate AI with speed, clarity, and confidence.
Stax gives you the hard data and flexible tools to see what's really working in your AI, so you can build breakthrough products with confidence.
Evaluate fast, ship faster
Replace manual, one-off tests with powerful, repeatable evaluations so you can innovate at speed and deploy with confidence.
Measure what actually matters
Tailor metrics and evaluators to your product, your users—not generic benchmarks.
Decide with Data
Make smarter model choices using hard data and key performance metrics to know you're ready to launch.
End-to-end eval made simple
Repeatable, insightful AI evaluation, from first experiment to production releases.
Experiment
Quickly compare models, prompts, and AI orchestrations to get a feel for the best performers.
Evaluate
Go beyond vibe checks with managed datasets and custom evaluators.
Analyze
Visually track aggregated AI performance to monitor improvements and launch readiness.
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Join our community for user support, sharing use cases, and to send feedback
Discord.gg/googlelabs