LLM Reference

Granite 4 Models by IBM Research

IBM ResearchApache 2.0Open source
10 models2025–2026Up to 131k ctx

Details

ResearcherIBM Research
LicenseApache 2.0OSI-approved
Commercial useCommercial use: permitted
Models10
Released2025–2026
Max context131k

About

Granite 4 is a family of 10 AI models by IBM Research, released between 2025 and 2026.

Current Variants

Use-when guidance is based on each model's tracked capabilities, context window, release date, and replacement status.

10 in view
Granite 4.0 1B SpeechCurrent

Use when the workload needs audio and 1B parameters.

2026-03audio1B parameters
Granite 4.0Current

Use when provider availability and model metadata match the workload.

2025-11
Granite 4.0 H 1BCurrent

Use when the workload needs 128k context.

2025-10128k context
Granite 4.0 H 350MCurrent

Use when the workload needs 128k context.

2025-10128k context
Granite 4.0 1BCurrent

Use when the workload needs 128k context.

2025-10128k context
Granite 4.0 350MCurrent

Use when the workload needs 128k context.

2025-10128k context
Granite 4.0 H TinyCurrent

Use when the workload needs 128k context.

2025-10128k context
Granite 4.0 H SmallCurrent

Use when the workload needs 128k context.

2025-10128k context
Granite 4.0 MicroCurrent

Use when the workload needs 128k context and 3B parameters.

2025-10128k context3B parameters
Granite 4.0 H MicroCurrent

Use when the workload needs 131k context.

2025-04131k context

Release Timeline

4 release groups
2026-03
1 current
Granite 4.0 1B Speech
audio1B parameters
Current
2025-11
1 current
Granite 4.0
Current
2025-10
7 current
Granite 4.0 1B
128k context
Current
Granite 4.0 350M
128k context
Current
Granite 4.0 H 1B
128k context
Current
Granite 4.0 H 350M
128k context
Current
Granite 4.0 H Small
128k context
Current
Granite 4.0 H Tiny
128k context
Current
Granite 4.0 Micro
128k context3B parameters
Current
2025-04
1 current
Granite 4.0 H Micro
131k context
Current

Specifications(10 models)

Granite 4 model specifications comparison
ModelReleasedContextParameters
Granite 4.0 1B Speech2026-03—1B
Granite 4.02025-11——
Granite 4.0 H 1B2025-10128k~1.5B
Granite 4.0 H 350M2025-10128k~350M
Granite 4.0 1B2025-10128k~1B
Granite 4.0 350M2025-10128k~400M
Granite 4.0 H Tiny2025-10128k7B total / 1B active
Granite 4.0 H Small2025-10128k32B total / 9B active
Granite 4.0 Micro2025-10128k3B
Granite 4.0 H Micro2025-04131k—

Available From(1 provider)

Cloudflare Workers AI

Frequently Asked Questions

What is Granite 4 used for?
Granite 4 is used for audio and coding. The family description and listed model capabilities point to those workloads as the best fit.
How does Granite 4 compare to IBM Granite Code?
Granite 4 by IBM Research is strongest where you need audio, while IBM Granite Code by IBM Research is the closest related family to check for coding. Granite 4 has 10 listed variants and reaches up to 131k context, so compare the specs and pricing tables before choosing a production model.
Which Granite 4 model should I use?
If price is the main constraint, use the pricing table first because Granite 4 does not have complete provider pricing in the local data. For the most capable/latest local choice, evaluate Granite 4.0 H Micro with 131k context.