IBM announced Granite Switch 4.1 on October 15, 2026, releasing two modular language models, at 8 billion and 30 billion parameters, that compose a base model, a general-purpose decision adapter, a safety adapter, and an embedded speech-to-text encoder into a single hosted endpoint. The IBM Granite blog post announcing the release was authored by Kate Soule, Subhajit Chaudhury, Hendrik Strobelt, and Luis A Lastras. The 4.1 Configuration The release comprises Granite-Switch-4.1-8B and…