Local TTS model

MARS5

Catalogue summary: AR-diffusion hybrid TTS with near-human quality. Ultra-fast zero-shot voice cloning from a few seconds of audio. Unique hybrid architecture combining autoregressive and diffusion.

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

Apple Silicon readytext-to-speech generation1 languagesAGPL-3.0
Choose an app

Start with Recommended. No terminal commands are shown.

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

Catalogue quality
9/10
Catalogue speed
7.5/10
Model size
2.5 GB
Voices
Zero-shot cloning

Can MARS5 run locally?

MARS5 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.

AGPL-3.0 license. Review upstream restrictions before commercial use.

cloningstreamingrealtime

Audio profile

Cat. quality
9
Cat. speed
7.5
Audio
8.5

Best fit

MARS5 is best for local voice cloning and expressive speech generation.

Hardware: gpuapple

Model details

Type
Local TTS model
Family
mars
Latency
low
Formats
pytorch
Languages
en
Context
AR + Diffusion hybrid architecture

Install locally

01
Check runtimeConfirm the backend supports pytorch 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
  • Apple Silicon ready local workflows
  • cloning, streaming, realtime

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.

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