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Model register·ibm-granite

ibm-granite/granite-4.1-3b

ibm-granite/granite-4.1-3b is a ibm-granite record on this register. The Hugging Face model API lists the pipeline tag as text-generation. The safetensors index gives an exact parameter count of 3,402,836,480. Architectural context length (max_position_embeddings) is 131,072. The listed licence is apache-2.0. The Hub repository was created on 6 Apr 2026, which is the release date this register uses.

Primary source: the Hugging Face model card for ibm-granite/granite-4.1-3b. Fields below come from that card, the Hub model API, and the repository’s own config.json when those files exist. A field we cannot source is omitted rather than guessed.

Organisationibm-granite
ReleasedRepo creation date on Hugging Face6 Apr 2026
Last modified4 May 2026
ParametersExact, from the safetensors index3.4B 3,402,836,480
Context lengthmax_position_embeddings — architectural maximum, not necessarily served128K 131,072
Licenceapache-2.0
Pipeline / taskpipeline_tag on the Hugging Face model APItext-generation
File formatssafetensors
Librarylibrary_name on the Hugging Face model APItransformers
Architecturegranite
Layers40
Vocabulary100,352
DownloadsAt last check647.6k
Likes115
GatedNo

How to run

Safetensors weights are on the Hugging Face repository. The parameter count on this page came from that index.

The Hugging Face model API lists the library as transformers.

Load it from huggingface.co/ibm-granite/granite-4.1-3b. This page does not add install steps that the Hub files do not state.

Agent capabilities

Derived from the model’s own chat template, with the match counts behind each finding.

  • ●Tool calling30 matches in template
  • ○Reasoning / thinkingno evidence in template
  • ●System prompt2 matches in template
  • ○Image inputno evidence in template
  • ○Video inputno evidence in template
  • ○Audio inputno evidence in template

Questions this record can answer

When was granite-4.1-3b released?
The Hugging Face repository was created on 6 Apr 2026, which is the date this register uses.
How many parameters does granite-4.1-3b have?
The safetensors index gives 3,402,836,480 parameters, shown here as 3.4B. That figure is exact, not rounded.
What is the context length of granite-4.1-3b?
131,072 tokens. That is max_position_embeddings from the model's own config.json — the architectural maximum, not necessarily the context a provider serves.
What licence is granite-4.1-3b under?
The Hub card lists apache-2.0.
Is granite-4.1-3b gated?
No. The Hugging Face model API does not mark this repository as gated.
Does the granite-4.1-3b chat template show tool calling?
The chat template contains evidence of tool calling.

Where each field came from

  • Hugging Face model API — releasedAt, lastModified, downloads, likes, task, license, gated, parameters, libraryName, formats. Checked 18 Oct 2026.
  • config.json — contextLength, layers, vocabSize, architecture. Checked 18 Oct 2026.
  • chat template — capabilities. Checked 18 Oct 2026.

First recorded 24 Sept 2026, last checked 18 Oct 2026. This record is compiled automatically from the sources above. Where a field is blank, we could not source it and have not guessed. Canonical repository: huggingface.co/ibm-granite/granite-4.1-3b.