Operational WeatherBench
2026-08-06Live benchmark of real-time performance of physics and AI forecast models on headline weather metrics, globally and regionally. Updated continuously as new forecast cycles verify.
Benchmarks
As part of Brightband’s commitment to increasing AI Weather innovation by creating open-source community-driven metrics, these are the benchmarks Brightband has released.
Verification of AI and traditional weather forecasting model performance is very important, to help push the science forward and to ensure that the models are useful for high-impact events. We want people to know how well their model works overall and on specific events and to know what needs to be improved.
ExtremeWeatherBench
2025-01-12Benchmark of forecast model performance on case studies of extreme weather events — storms, heat waves, tropical cyclones, atmospheric rivers, and more — where forecasts matter most.