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Language modelActive

Granite 4.0 H Micro

IBM

Released
October 2, 2025
Data date
September 8, 2026
Benchmark-Meta-Score
Unavailable
No independent results
Price
Input · Output / 1M tokens
Input
Text
Output
Text

Granite 4.0 H Micro combines only four attention layers with 36 Mamba 2 layers. The 3B open-weight model still offers a 131,072-token context, twelve supported languages, and tool calls.

Apache 2.0 permits reuse of the weights.

Specifications and access

SpecificationValue and source
Weights
Open weightsSource
Access
API, LocalSource
Parameters
Context window
131,072 tokensSource
License
Apache-2.0Source
Release
2025-10-02Source
Parameters
Architecture
hybrid decoder with 4 attention layers and 36 Mamba2 layersSource
Input
TextSource
Output
TextSource
Languages
English, German, Spanish, French, Japanese, Portuguese, Arabic, Czech, Italian, Korean, Dutch, ChineseSource
Tool calling