IBM released Granite Time Series PatchTST-FM-r2 on September 9, 2026, a roughly 385-million-parameter zero-shot time-series forecasting model dual-licensed under Apache 2.0 and the Linux Foundation’s OpenMDW 1.0. The model weights, architecture, inference pipeline, and code needed to reproduce its benchmark results were all published openly with the release. IBM announced the model in a Hugging Face blog post by IBM Research authors, presenting it as the successor to PatchTST-FM-r1 and the…