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mistralai

Voxtral-Mini-3B-2507

AUDIO_LLMApache 2.04/30/2026
Requires acceptance of Apache 2.0 license

This model requires you to accept the Apache 2.0 license terms before download.

20downloads
8.7 GiB

Description

Voxtral Mini 3B — Mistral AI audio-language model built on Ministral 3B for speech transcription and spoken-audio understanding, handling long-form, multilingual audio with built-in question-answering over what it hears. Apache 2.0.

Tags

Audio-LLMSpeech RecognitionAudio UnderstandingMultilingual3BApache 2.0

At a glance

Kindaudio language model
Precisionbfloat16
Container size8.7 GiB
Weights inside8.7 GiB
Components3
LicenceApache 2.0

What is inside the container

A .nbx container packs every part of Voxtral-Mini-3B-2507 — 3 components with weights, graphs and runtime settings — so one file is all the runtime needs.

ComponentBlocksLayersWeights
audio_tower0—1.2 GiB
language_model0307.5 GiB
multi_modal_projector0—48.0 MiB

Default settings

The values the container ships with. They apply when you do not pass your own.

Temperature
0

Memory needed

The weights of Voxtral-Mini-3B-2507 take 8.7 GiB in bfloat16. That is the floor for the memory the runtime has to place, spread over the devices it finds; activations come on top and grow with the size and length you ask for. A measured peak per device class is not published for this model yet.

Verify what you downloaded

Every download carries its SHA-256, and the file endpoint sends it in the X-NBX-SHA256 header. The container is 8.7 GiB (9,359,529,560 bytes).

$ sha256sum Voxtral-Mini-3B-2507.nbx

1e4fac0916c806f4268e632a0170891a142bc7f0ce05eb63867be6f72f9977ba

Questions

What is Voxtral-Mini-3B-2507?

A audio language model by mistralai, distributed as a bfloat16 .nbx container and licensed Apache 2.0.

How big is the download?

8.7 GiB, of which 8.7 GiB are weights.

How do I run it?

Install the runtime from the download page, then use the commands under “CLI Usage” below: neurobrix import mistralai/Voxtral-Mini-3B-2507, then neurobrix serve --model Voxtral-Mini-3B-2507.

CLI Usage

$ neurobrix import mistralai/Voxtral-Mini-3B-2507

$ neurobrix serve --model Voxtral-Mini-3B-2507

$ neurobrix run --prompt "your prompt here"

$ neurobrix stop

Model weights are distributed under their original vendor license. NeuroBrix does not modify the license terms. Users are responsible for complying with the applicable license.