LocalClaw/TTS/Voxtral 4B TTS 2603
Local TTS model

Voxtral 4B TTS 2603

Catalogue summary: Official 4B open-weight TTS model for low-latency voice-agent speech. Ships BF16 weights, 20 reference voices, 9-language generation, streaming and batch serving, and a supported local vLLM-Omni path.

Repository editorial metadata; verify comparative claims in the linked upstream material.

GPU recommendedtext-to-speech generation9 languagesCC-BY-NC 4.0
Choose an app

Start with Recommended. No terminal commands are shown.

Compare speech models
Open model filesRecommended verified starting pointOpen in UnslothLaunches Unsloth Desktop on this modelOpen on Hugging FaceFiles, licence and model cardCheck my machineOptional: verify the fit with your saved hardware

Desktop app links require the app to be installed. If nothing opens, LocalClaw will show app-download and model-file fallbacks.

Catalogue quality
9.5/10
Catalogue speed
9.1/10
Model size
4B BF16 weights; official card recommends a single GPU with at least 16GB memory
Voices
20 preset voices plus reference-audio adaptation

Can Voxtral 4B TTS 2603 run locally?

Voxtral 4B TTS 2603 can generate speech locally for private voice workflows. Use the verified setup options on this page; no terminal command is required to choose the right path.

CC-BY-NC 4.0 license. Review upstream restrictions before commercial use.

Upstream source
streamingrealtimemultilingualcloningcontrollable

Audio profile

Cat. quality
9.5
Cat. speed
9.1
Audio
9.4

Best fit

Voxtral 4B TTS 2603 is best for local voice cloning and expressive speech generation.

Hardware: gpu

Model details

Type
Local TTS model
Family
voxtral
Latency
ultra-low
Formats
pytorchsafetensorsvllm-omni
Languages
en, fr, es, de, it, pt, nl, ar, hi
Context
4B BF16 TTS model, 24 kHz output, vLLM-Omni serve path, 9 languages and single-GPU 16GB+ VRAM guidance

Install locally

01
Check runtimeConfirm the backend supports pytorch, safetensors, vllm-omni on your machine.
02
Open recommended setupUse the app and model links above. LocalClaw does not expose a terminal command.
03
Test locallyRun a short private audio prompt before moving into production workflows.

Good for

  • text-to-speech generation
  • GPU recommended local workflows
  • streaming, realtime, multilingual

Watch before shipping

  • Validate pronunciation, latency and artifacts with your own voice samples.
  • Review the upstream license and acceptable-use notes.
  • Benchmark on your target CPU, Apple Silicon or GPU setup.

Related TTS and speech models

Mistral AI Voxtral Mini 4B Realtime 2602 Local ASR model · Q 9.2 · Speed 9.4 Zyphra ZONOS2 Local TTS model · Q 9.6 · Speed 8.5 OpenBMB VoxCPM2 Local TTS model · Q 9.4 · Speed 8.3 Phạm Nguyễn Ngọc Bảo VieNeu-TTS v3 Turbo Local TTS model · Q 9.2 · Speed 9.4 Samuel Vitorino / HALO Research Sopro V2 Turbo Local TTS model · Q 9.2 · Speed 9.4 BreezeBlue Breeze TTS 2 Local TTS model · Q 9.6 · Speed 8.4 Zyphra Zonos v0.1 Local TTS model · Q 9.5 · Speed 8.5 Alibaba FunAudioLLM CosyVoice 2 Local TTS model · Q 9.3 · Speed 8.8
CompareBrowse all TTS models Local AIBrowse LLM models macOS appGet LocalClaw