Granite 4.2 LLMs: How They're Built

SMRTR summary
IBM released Granite 4.2, its first reasoning-focused language model family, in three sizes (3B, 8B, and 30B). Each model is pre-trained on 15 trillion tokens, fine-tuned on reasoning data, and then trained further using reinforcement learning. The larger 8B and 30B models can use tools, write code, and browse the web inside real environments.
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