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IBM: Granite 4.1 8B

ibm-granite/granite-4.1-8b

Model weights

Granite 4.1 8B is a dense, decoder-only 8-billion-parameter language model from IBM, part of the Granite 4.1 family. It supports a 131K-token context window and is designed for enterprise tasks including tool calling, retrieval-augmented generation (RAG), code generation with fill-in-the-middle support, text summarization, classification, and extraction.

The model handles 12 languages (English, German, Spanish, French, Japanese, Portuguese, Arabic, Czech, Italian, Korean, Dutch, and Chinese) and implements OpenAI-compatible tool calling. Released under the Apache 2.0 license.

Modalities

Context

131K

Released

Apr 30, 2026

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Frequently asked questions

Granite 4.1 8B is a dense, decoder-only 8-billion-parameter language model from IBM, part of the Granite 4.1 family. It supports a 131K-token context window and is designed for enterprise tasks including tool calling, retrieval-augmented generation (RAG), code generation with fill-in-the-middle support, text summarization, classification, and extraction.

Granite 4.1 8B has a 131,072 token context window.

Granite 4.2 8B and Granite 4.0 Micro are other text models from IBM.

Granite 4.1 8B was released on April 30, 2026.