IBM Launches Granite 4.2: 30B Reasoning Model with Day-0 SGLang Support

krvarshney · x · 2026-08-25

IBM Research releases Granite 4.2, a 30B dense reasoning model with built-in chain-of-thought. SGLang offers Day-0 support. Scores: AIME25 89.17, HMMT Feb25 89.17, GPQA 66.41; three thinking modes; tool calling SWE-Bench Verified 57.0, BFCL v4 61.39; 128K context RULER 128K 81.38.

Related event: IBM Open-Sources Granite 4.2 Family with 30B Reasoning Model(4 posts)→

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