granite-4.0-1b-speech (ibm-granite) specs, prices, where it runs and its benchmark standing

Name: granite-4.0-1b-speech (ibm-granite)
Author: IBM

open weights · top 10 on 0 of 1 · released Feb 27, 2026

Provider: IBM
Release date: Feb 27, 2026; Hugging Face
Parameters: 2.3B total; Hugging Face
Modalities: Audio to Text; Hugging Face
License: Apache 2.0; Hugging Face
Hosting: self-host: weights on Hugging Face
Hardware: Estimate: about 4.6 GB of weights as published (BF16), about 2.3 GB at 8-bit, about 1.2 GB at 4-bit, plus memory for the context; Hugging Face config
Weights: Open weights
Benchmarks: 1 board captured

Rank	Board	Category	Score	Of	Over time
39	Open ASRSpeech · as “ibm-granite/granite-4.0-1b-speech”	Speech	7.69 WER	62

Versions and release history

5 versions in this line since Apr 14, 2025, from Pricing, OpenRouter and the boards.

Version	Released	Source
granite-speech-5.0-2B (ibm-granite)	Oct 7, 20264 weeks ago	Hugging Face
granite-speech-4.1-2B (ibm-granite)	Apr 16, 20266 months ago	Hugging Face
granite-4.0-1B-speech (ibm-granite)this model	Feb 27, 20268 months ago	Hugging Face
granite-speech-3.3-2B (ibm-granite)	Apr 28, 20251 year ago	Hugging Face
granite-speech-3.3-8B (ibm-granite)	Apr 14, 20251 year ago	Hugging Face

Category ranks, more models and catalog changes