Alex Getmanearly AI signals

Granite 4.0 H 1B Base

IBM

Released Updated

Timeline

  1. · Weights version · evidence link
Specifications

Granite 4.0 H 1B Base is a model from IBM with open weights, released on 28 Oct 2025.

Weights
Open

Questions

Are the weights of Granite 4.0 H 1B Base publicly available?

Yes. IBM publishes the weights.

When was Granite 4.0 H 1B Base released?

On 28 Oct 2025.