Granite 4.2
IBM's open-weight enterprise reasoning model family in 3B/8B/30B sizes with native chain-of-thought and tool calling.
Overview
IBM released Granite 4.2 on August 25, 2026, a family of open-weight reasoning language models in 3B, 8B, and 30B parameter sizes under Apache 2.0 with 128K context windows. It is IBM's first Granite generation to natively combine chain-of-thought reasoning with tool calling, exposing a thinking/non-thinking switch plus a low-effort mode for simple queries.
This is a sourced directory entry. Features and capabilities are reported in the linked sources; this entry does not document independent Aymorphic testing.
Key features
- 3B, 8B, and 30B parameter sizes
- 128K context window
- Apache 2.0 license
- Native chain-of-thought plus tool calling
- Thinking/non-thinking toggle with a low-effort mode
Use cases
- Enterprise agentic workflows
- Cost-tiered reasoning (toggle effort by task difficulty)
Pricing
Apache 2.0, weights free.
Pricing reflects the source record and may change. Confirm current terms with the provider.
Dates and sources
- Released
- 25 Aug 2026
- Record updated
- 23 Sept 2026
- Record last checked
- 23 Sept 2026