GraphCast
A family is a named generation or product line. Scores below are the sum of its named releases and any documented internal systems in the same line.
Benefit
+8.19
Harm
0.00
Net Good
8.19
Releases
Leaderboard
| Rank | Model | Organization | Benefit | Harm | Net | Events | Last impact |
|---|---|---|---|---|---|---|---|
| 14 | GraphCast | Google DeepMind | +2.65 | 0.00 | 2.65 | 1 | 14 Nov 2023 |
| 16 | GenCast | Google DeepMind | +2.46 | 0.00 | 2.46 | 1 | 4 Dec 2024 |
| 17 | WeatherNext Cyclones | Google DeepMind | +2.43 | 0.00 | 2.43 | 1 | 6 Aug 2026 |
| 44 | WeatherNext 3 | Google DeepMind | +0.42 | 0.00 | 0.42 | 1 | 3 Sep 2026 |
| 55 | WeatherNext 2 | Google DeepMind | +0.24 | 0.00 | 0.24 | 1 | 17 Nov 2025 |
Timeline
- Benefit
- Harm
- Net
Events
Google deploys WeatherNext 3 hourly satellite-driven forecasts in Search and Maps
On 3 September 2026 Google DeepMind and Google Research launched WeatherNext 3, an hourly satellite-driven global model at up to 5 km resolution, and began using it in Search, Gemini, Maps, Maps Platform, Earth Engine, and Cloud.
WeatherNext Cyclones adds a day of tropical-cyclone forecast lead time
On 6 August 2026 Nature published Google DeepMind’s WeatherNext Cyclones model, reporting about a day’s extra lead time on track, intensity, and wind structure versus leading operational models, with National Hurricane Center use during Hurricane Melissa.
Google deploys WeatherNext 2 forecasts in Search, Maps, and Earth Engine
On 17 November 2025 Google DeepMind and Google Research launched WeatherNext 2, an ensemble weather model they reported as faster and more accurate than the prior WeatherNext system, and began using it in Search, Gemini, Pixel Weather, Maps Platform, Earth Engine, and BigQuery.
GenCast beats ECMWF ENS on most 15-day ensemble weather targets
DeepMind’s GenCast, published in Nature on 4 December 2024, generated 0.25° 15-day ensemble forecasts that outperformed ECMWF ENS on 97.2 percent of 1,320 evaluated targets.
GraphCast outperforms ECMWF HRES on most medium-range weather targets
DeepMind’s GraphCast, published in Science on 14 November 2023, produced 10-day 0.25° global forecasts in under a minute and beat HRES on about 90 percent of evaluated targets.