Products/Granite 4.1 LLMsGranite 4.1 LLMsLLM familyby IBMLLMRelated NewsModel Launch↑75Granite 4.1 LLMs: How They’re BuiltIBM's Granite Team published a technical blog post detailing the data engineering, pre-training, supervised fine-tuning, and reinforcement learning processes used to build the Granite 4.1 LLMs.Huggingface.coMay 4, 2026