How many models are in the Granite 4.1 family?

The Granite 4.1 family contains 7 models.

What is the latest Granite 4.1 model?

The latest model is Granite 4.1 3B, released in 2026-04.

Granite 4.1

7 models2026Up to 512K ctx

About

IBM's Granite 4.1 family of dense transformer language models, released April 2026. Available in 3B, 8B, and 30B sizes. Base models support up to 512K token context; instruct models support 131K. Trained on ~15 trillion tokens with improved post-training including SFT and RL alignment for enhanced tool calling and instruction following. Released under Apache 2.0.

Specifications(7 models)

Granite 4.1 model specifications comparison
Model	Released	Context	Parameters	Multimodal
Granite 4.1 3B	2026-04	131K	3B	No
Granite 4.1 3B Base	2026-04	512K	3B	No
Granite 4.1 8B	2026-04	131K	8B	No
Granite 4.1 8B Base	2026-04	512K	8B	No
Granite 4.1 30B	2026-04	131K	30B	No
Granite 4.1 30B Base	2026-04	512K	29B	No
Granite Speech 4.1 2B	2026-04	128K	2B	Yes

Frequently Asked Questions

What is Granite 4.1?: IBM's Granite 4.1 family of dense transformer language models, released April 2026. Available in 3B, 8B, and 30B sizes. Base models support up to 512K token context; instruct models support 131K. Trained on ~15 trillion tokens with improved post-training including SFT and RL alignment for enhanced tool calling and instruction following. Released under Apache 2.0.
How many models are in the Granite 4.1 family?: The Granite 4.1 family contains 7 models.
What is the latest Granite 4.1 model?: The latest model is Granite 4.1 3B, released in 2026-04.