When was Granite Vision 4.1 4B released?

Name: Granite Vision 4.1 4B
Author: IBM Research

Granite Vision 4.1 4B was released on 2026-04-29.

Granite Vision 4.1 4B

granite-vision-4.1-4b

Open SourceMultimodal

About

IBM Granite Vision 4.1 4B (3.4B LLM + 0.6B vision encoder and projectors) is a vision-language model for enterprise document extraction. Built on Granite 4.1 3B with LoRA (rank 256), SigLIP2 vision encoder, and Window Q-Former projectors with 8 vision-to-LLM injection points. Specializes in chart extraction (Chart2CSV, Chart2Summary, Chart2Code), table extraction (JSON/HTML/OTSL), and semantic key-value pair (KVP) extraction. Achieves 94.4% exact-match on VAREX KVP benchmark. Integrates with Docling. Apache 2.0.

Capabilities

VisionMultimodalReasoningFunction CallingTool UseStructured OutputsCode Execution

Rankings

Best Open Source LLMs Best Multimodal / Vision LLMs Best Small Language Models (SLMs)Cheapest LLM APIs Best LLM APIs Best Free LLMs Best LLMs for Writing Best LLMs for Marketing

Specifications

FamilyGranite Vision

Released2026-04-29

Parameters4B

ArchitectureSigLIP2 vision encoder + Window Q-Former projectors + Granite 4.1 3B LLM with LoRA rank 256

Created by

IBM Research

Creating reliable and adaptable AI solutions

Armonk, New York, United States

Founded 1945

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