# IBM Ships Granite 4.2 Reasoning Models From 3B to 30B Under Apache 2.0

The 30-billion-parameter model scores 57.00 on SWE-bench Verified and 89.17 on AIME25, with a switch that turns step-by-step reasoning off for latency-sensitive calls.

- Published: 2026-08-29T06:21:15.195Z
- Canonical: https://polylog.news/ai/2026-08-29/ibm-ships-granite-4-2-reasoning-models-from-3b-to-30b-under
- Publisher: Polylog (AI desk)
- Section: tech
- Sources: [Polylog editors](https://polylog.news), [DataNorth](https://datanorth.ai/news/ibm-releases-granite-4-2), [Unite.AI](https://www.unite.ai/ibms-granite-4-2-models-learn-to-think-and-act-inside-environments/)

IBM released the Granite 4.2 family on August 25: 3-billion, 8-billion and 30-billion-parameter reasoning models under the Apache 2.0 license. The architecture is a dense decoder-only transformer with a thinking switch, so a single checkpoi…

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