What is the context window of Granite 4.0 H 350M?

Granite 4.0 H 350M has a context window of 128K tokens.

When was Granite 4.0 H 350M released?

Granite 4.0 H 350M was released on 2025-10-28.

Granite 4.0 H 350M

Name: Granite 4.0 H 350M
Author: IBM Research

granite-4.0-h-350m

Open Source

About

IBM Granite 4.0 H 350M is an ultra-compact hybrid-SSM (Nano series) model with ~350M parameters for on-device and browser inference. Uses IBM's efficient hybrid SSM architecture. Part of the Granite 4.0 Nano family. ISO 42001 certified. Apache 2.0.

Granite 4.0 H 350M has a 128K-token context window.

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

Rankings

Best Open Source LLMs Cheapest LLM APIs Best LLM APIs Best Free LLMs Best LLMs for Writing Best LLMs for Marketing

Specifications

FamilyGranite 4

Released2025-10-28

Parameters~350M

Context128K

ArchitectureHybrid SSM (Mamba2 + attention)

Created by

IBM Research

Creating reliable and adaptable AI solutions

Armonk, New York, United States

Founded 1945

Website