Model
Inference & ServingCoding
Granite
1IBM's 2open 3Apache-licensed 4enterprise 5language 6models
the six Ws · specification
W1
Who
IBM develops the Granite family of foundation models.
W2
What
Granite includes open LLMs and code models, such as Granite Code and Granite 3.0/4.0/4.1, for enterprise language and software development tasks.
W3
Where
Code and weights are hosted on GitHub under the ibm-granite organization and on Hugging Face.
W4
When
Granite Code Models released in May 2024, with Granite 4.0 following in 2025 and 4.1 in 2026.
W5
Why
Built to give enterprises a fully open, commercially safe LLM stack for IBM watsonx and RHEL AI deployments.
W6
With
Runs via Hugging Face Transformers, vLLM, or IBM watsonx.ai.
W7
Watch
Apache 2.0 license, fully open weights, no credentials required, self-hosted or via watsonx; maintained by IBM.