IBM ships PatchTST-FM-r2, the top zero-shot time-series forecaster under a permissive license

On September 9, 2026, IBM released Granite Time Series PatchTST-FM-r2, a 385M-parameter model that becomes the best zero-shot forecaster shipped under a permissive license on the GIFT-Eval benchmark, ahead of several larger models. For any team doing demand, load or telemetry forecasting, it is a production-ready zero-shot starting point.