Mistral AI model

Voxtral Realtime Hardware Requirements & Compatibility

The official BF16 files total about 17.7GB. One 32GB GPU is the first product fit, subject to the required vLLM audio support, stream count and latency target.

Model version
mistralai/Voxtral-Mini-4B-Realtime-2602
Family and variant
Voxtral Mini 4B Realtime · Voxtral-Mini-4B-Realtime-2602
Source version
2769294da956
Source updated
11 March 2026
Mistral AI Voxtral Mini 4B Realtime mistralai/Voxtral-Mini-4B-Realtime-2602
Minimum GPU memory
24GB GPU planning floor
Recommended hardware
One 32GB GPU
Licence
Apache License 2.0
Useful for
Speech & audio
Memory compatibility is a sizing guide. Test the exact model version and workload before choosing hardware.

Buyer verdict

Where Voxtral Mini 4B Realtime is a sensible fit

Voxtral Realtime is relevant when live transcription matters more than offline batch speed and the team wants an Apache-licensed, current streaming model.

These figures apply to the named model version. Quantisation, fine-tuning, context length, image resolution, batch size and serving software can materially change the hardware needed.

Hardware requirements

Minimum
24GB GPU planning floor
Recommended
One 32GB GPU

The 17.7GB weight files leave modest room for streaming buffers and runtime.

Concurrent stream capacity must be measured.

Technical specification

Voxtral Mini 4B Realtime model and hardware facts

Specifications shown for source version 2769294da9567371363522aac9bbcfdd19447add, updated 11 March 2026.

Parameters
About 4.4B
Task
Real-time automatic speech recognition
Repository weights
17.72GB BF16
Primary runtime
vLLM
Release
February 2026 series
Licence
Apache 2.0

Product compatibility

Voxtral Mini 4B Realtime compatibility across all 11 GPU systems

Systems that fit without model splitting
11
Systems needing multi-GPU validation
0

A system is listed as fitting when its GPU memory meets the requirement shown above. Speed, usable context, batch size and concurrent users still need testing with the final model and software configuration.

Best larger-system route

Team 32

1 GPUs · 32GB

The smallest system in the range that reaches this model's preferred working allowance.

Explore Team 32

sme workstation

Team 32

Recommended memory route
Per GPU
32GB
Total GPU memory
32GB
GPU count
1

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

sme workstation

Company 64

Recommended memory route
Per GPU
32GB
Total GPU memory
64GB
GPU count
2

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

sme workstation

Studio 96

Recommended memory route
Per GPU
96GB
Total GPU memory
96GB
GPU count
1

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

sme workstation

Studio 192

Recommended memory route
Per GPU
96GB
Total GPU memory
192GB
GPU count
2

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

pcie rack

Value Rack 128

Recommended memory route
Per GPU
32GB
Total GPU memory
128GB
GPU count
4

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

pcie rack

Value Rack 256

Recommended memory route
Per GPU
32GB
Total GPU memory
256GB
GPU count
8

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

pcie rack

Enterprise 384

Recommended memory route
Per GPU
96GB
Total GPU memory
384GB
GPU count
4

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

pcie rack

Enterprise 768

Recommended memory route
Per GPU
96GB
Total GPU memory
768GB
GPU count
8

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

pcie rack

H200 1.1TB

Recommended memory route
Per GPU
141GB
Total GPU memory
1,128GB
GPU count
8

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

frontier partner

Frontier Native 2.3TB

Recommended memory route
Per GPU
288GB
Total GPU memory
2,304GB
GPU count
8

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

frontier partner

Frontier Rack 20TB

Recommended memory route
Per GPU
288GB
Total GPU memory
20,736GB
GPU count
72

Also meets this model page's recommended working allowance.

Available GPU memory exceeds the calculated or estimated requirement. Confirm the final precision, software, workload and performance before purchase.

Deployment reality

Strengths, limits and runtime route

What it is good at

  • Designed for real-time ASR rather than only batch transcription.
  • Apache 2.0 licence.
  • Official vLLM library integration.
  • Fits within the entry 32GB product's memory envelope.

Where to be cautious

  • Real-time operation is sensitive to chunking, network and audio buffering.
  • A model-memory fit does not establish supported simultaneous streams.
  • Accuracy needs testing by language, accent, noise and domain.
  • The runtime and audio API are newer than Whisper's mature ecosystem.

Serving software

  • vLLM
  • Mistral reference tooling

Before installation

  1. Measure end-to-end latency, not only model execution.
  2. Record audio chunk size, sample rate, concurrent streams and dropped or delayed segments.
  3. Compare against Whisper or Qwen3-ASR on the same labelled audio.
  4. Pin vLLM and its audio dependencies.

System requirements

GPU layout
The minimum can fit on one GPU; multiple GPUs may still be useful for replicas or throughput.
Context and cache
The model context ceiling is not a guaranteed serving target. KV cache, batch size and concurrent sessions need separate capacity tests.
System RAM
Size system memory for model loading, runtime overhead, preprocessing and any CPU offload used by the final configuration.
Storage
Allow space for the pinned checkpoint, runtime images, caches, logs and at least one rollback version.
Serving software
Validate the exact checkpoint with vLLM, Mistral reference tooling before acceptance.
Representative workload
Benchmark representative prompts or media at the required context, quality, latency and concurrency.

Performance: speed, usable context and concurrency depend on the selected system, software and workload. No benchmark is quoted on this page.

Commercial and legal boundary

Apache License 2.0

Commercial use: permitted

Apache 2.0 permits commercial use subject to notices and lawful audio processing.

Always retain the applicable notices and recheck the live terms for the intended organisation, territory, use and distribution route. Obtain legal advice where required; the official licence governs use.

Read the official licence

Official sources

Technical questions

Voxtral Mini 4B Realtime deployment FAQ

Can Team 32 run Voxtral Realtime?

Its memory requirement fits. The required stream count and latency still need testing.

Is Voxtral Realtime a text-to-speech model?

No. This checkpoint is for automatic speech recognition. Voxtral TTS is a separate model family.

Why choose it over Whisper?

Its main attraction is a current real-time streaming design. Whisper may still win for ecosystem maturity or a specific language and noise profile.

What a complete Voxtral Mini 4B Realtime deployment needs

GPU memory is only one part of the system. Storage, data access, serving software, monitoring and administrator handover also affect a reliable deployment.

Diagram showing an approved request, a local service, an approved store and a policy-controlled data path
Diagram showing an approved request, a local service, an approved store and a policy-controlled data path
A private deployment starts with the permitted data path, access policy and logging boundary. GPU Servers technical illustration.
A private deployment starts with the permitted data path, access policy and logging boundary. GPU Servers technical illustration.
GPU server remote management dashboard with system status, access logs and sensor monitoring panels
GPU server remote management dashboard with system status, access logs and sensor monitoring panels
Supplier screenshot of the platform management interface. The final management features and access policy depend on the ordered system. OEM supplier reference image.
Supplier screenshot of the platform management interface. The final management features and access policy depend on the ordered system. OEM supplier reference image.
Diagram showing approved documents moving through a searchable index to an answer with a source citation
Diagram showing approved documents moving through a searchable index to an answer with a source citation
A retrieval workflow should connect each useful answer to approved source material and defined refusal behaviour. GPU Servers technical illustration.
A retrieval workflow should connect each useful answer to approved source material and defined refusal behaviour. GPU Servers technical illustration.
Diagram of an evidence pack containing an asset schedule, burn-in record, health readings, workload test and admin guide
Diagram of an evidence pack containing an asset schedule, burn-in record, health readings, workload test and admin guide
A complete handover includes the supplied assets, test results, operating instructions and agreed follow-up work. GPU Servers technical illustration.
A complete handover includes the supplied assets, test results, operating instructions and agreed follow-up work. GPU Servers technical illustration.