WindBorne’s WeatherMesh‑4 AI model outperforms top government and industry forecasts
The new WeatherMesh‑4 (WM‑4) model is up to 42.4% more accurate than its predecessor and beats the ECMWF ensemble by as much as 34.6%, retaining a 4.6% edge at 15‑day forecasts. It also surpasses Google DeepMind’s GenCast, showing that an AI‑native startup can out‑forecast traditional government models.