Llama.cpp merges support for IBM Granite Switch 4.1
A pull request to the llama.cpp repository, titled "Granite switch decision," was merged on October 16, 2026. The change adds support for the IBM Granite Switch 4.1 8B model, specifically implementing its "guardian and decision" functionality. The contribution was authored by Gabe Goodhart of IBM and reviewed by collaborators ngxson and CISC.
Key points
- llama.cpp merged PR #30676 to add support for IBM Granite Switch 4.1 8B.
- Gabe Goodhart from IBM authored the change, which was reviewed by ngxson and CISC.
- The commit notes indicate Claude and Sonnet 5.5 were used during the development process.
The commit history indicates that AI tools, specifically Claude and Sonnet 5.5, were used in the drafting and full usage phases of the code development. The PR includes documentation improvements and server conversion updates. The model template follows the usage samples provided on Hugging Face for the granite-switch-4.1-8b model.
This update allows developers using llama.cpp to run the Granite Switch model locally, expanding the library's compatibility with IBM's recent open-weight releases. The merge signifies that the implementation has passed code review and is now part of the main codebase.
Model page: Sonnet 5.5 →
The story so far
2 episodes →- Llama.cpp merges support for IBM Granite Switch 4.1this story
model: Granite switch decision by gabe-l-hart · Pull Request #30676 · ggml-org/llama.cpp
github.com · 16 October 2026Loading the full article…
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