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Mistral AI / FAMILY RECORD

Voxtral Realtime: license, size and what is open.

A compact streaming speech-recognition model designed for low-latency transcription through a realtime API.

License

Commercial use permitted under Apache-2.0; review accompanying terms.

Apache-2.0 ↗

Sizes and download

4B

Voxtral-Mini-4B-Realtime-2602
Total: 4B. Active: 4B. Source ↗

About 8.86 GB of selected documented weights · File listing ↗

Selected artifact: mistralai/Voxtral-Mini-4B-Realtime-2602. Format: Safetensors, Mistral consolidated representation. File evidence checked 2026-10-11. Selected artifact license: apache-2.0 ↗

Single consolidated.safetensors. Excludes alternative model.safetensors (8,859,446,848 bytes); alternate representations are not complementary shards. Selected weight files only; supporting files and runtime memory are separate. Not a smallest-download census or proof of hardware compatibility.

Can my computer run it?

Compatibility, runtime memory and speed are untested by Bright.

Choose your computer and inspect documented candidates →

Nine things to check

Source check: . Downloads, when known, carry their own check date.

Turn speech into text →

Checked release: Voxtral-Mini-4B-Realtime-2602
Sources checked 2026-09-19

Voxtral Realtime release
· Primary source

The profile describes this checkpoint, not every release carrying the family name. Developer documentation is not independent reproduction.

THE MODEL / THE TERMS

Know what you are picking up.

Parameters
4B
Architecture
Streaming audio encoder-decoder model integrated with Mistral inference runtimes.
Modalities
audio · text
Context
Streaming sessions; a comparable language-token window is not asserted here.
Weights license
Apache-2.0
Commercial use
Permitted by Apache-2.0.
Memory
The 4B size supports comparatively modest deployment, but streaming overhead and audio session length affect requirements.
Known quantizations
Runtime-supported formats should be verified against the official card

Specifications are developer-reported. Primary release documentation ↗ · All sources and terms

NINE DIMENSIONS / NO OPENNESS SCORE

What is actually available?

Each component has its own evidence. “Not established” means this source review did not verify availability; it is not a claim that nothing exists.

WHY THIS RELEASE MATTERS

What to explore.

  • Streaming transcription
  • Low-latency audio processing
  • Compact size

WHAT THE RECORD DOES NOT ESTABLISH

Keep the limits.

  • Speech-focused rather than a general multimodal assistant
  • Training data is not fully disclosed

vLLM integration corroborates production serving support; transcription quality claims are not independently reproduced here.

Explore the memory tradeoffs↗

FOLLOW THE RECORD

Sources, not superlatives.

  1. Voxtral Transcribe 2 and Realtime release ↗ (institution)
  2. Voxtral Mini 4B Realtime model card ↗ (registry)
  3. Mistral model changelog ↗ (institution)

Source check: 2026-09-19. AI-assisted editorial review, with no named external expert or independent hardware validation claimed. Licenses and model cards can change. Review the linked terms for the specific artifact and intended use.

Understand open source vs open weights ↗