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Granite SWASH

IBMOpen WeightsPending Human Review

Granite SWASH is IBM Research’s open architectural preview for efficient language modeling. The family explores sliding-window attention at every layer, learnable attention sinks, and hybrid transformer designs, with dense 2B and sparse 3B checkpoints. The sparse model activates approximately 600M parameters. These are general-purpose English base models for research and customization, rather than instruction-ready assistants. Apache-licensed weights allow study of the architecture and downstream training; chat and tool behavior should not be inferred from the base release.

2026-07-07
2B dense; 3B total, 600M active
Sliding-window Transformer with learned attention sinks
Apache-2.0

Specifications

Parameters
2B dense; 3B total, 600M active
Architecture
Sliding-window Transformer with learned attention sinks
License
Apache-2.0
Type
text
Modalities
text

Benchmark Scores

Advanced Specifications

Model Family
Granite
API Access
Not Available
Chat Interface
Not Available

Capabilities & Limitations

Capabilities
text generationbase-model research
Known Limitations
Provider-reported evaluations need application-specific validationGenerated interpretations can be incorrectCurrent information requires external retrieval
Notable Use Cases
private model deploymentdocument and code workflowslanguage-model research

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