MetaVoice-1B

At a glance

• Editor score
  3.0 / 10
• Pricing
  Free plan
• Best for
  Developers experimenting with open voice cloning
• Free plan
  Yes
• Paid from
  Free
• Commercial use
  Yes
• Facts checked
  20 Sep 2026

• Where it wins

  • Open-source Apache 2.0 license with commercial use
  • Zero-shot cloning from approximately 30 seconds of reference audio
  • Local inference, web UI, and an API inference server

• Where it doesn't

  • Focused on expressive English speech rather than broad language coverage
  • Integration coverage is limited beyond web, API, and self-hosted use
  • Fine-tuned voice cloning requires additional setup and model work

Our verdict on MetaVoice-1B

MetaVoice-1B is an open-source text-to-speech model for developers who want to explore expressive English synthesis and voice cloning. It supports emotional rhythm and tone, long-form text synthesis, zero-shot cloning of American and British voices from approximately 30 seconds of reference audio, and fine-tuned voice cloning. The project is aimed at technical users who are comfortable working with a local reference implementation, web interface, or inference server rather than buyers looking for a packaged commercial voice platform.

Its strongest advantage is the combination of open access and deployment flexibility. The published project is released under the Apache 2.0 license and supports commercial use. Developers can run local inference, use the web UI, or connect through an inference server with API definitions. Batching for texts of different lengths and KV-caching via Flash Decoding are also included. Long-form generation and expressive English delivery make the model more suitable for extended narration and experimentation than a basic single-sentence speech demo.

The trade-off is focus. MetaVoice-1B centers on English and voice-cloning workflows, with verified language and integration coverage limited compared with broader text-to-speech ecosystems. Fine-tuning also adds technical work beyond zero-shot generation. Choose it if you want open-source access, local control, an API path, and a model for experimenting with English voice cloning. Choose an alternative if you need wider language coverage, a larger integration ecosystem, or a managed product with clearly defined paid service tiers.

Your product? Our editors can test MetaVoice-1B in depth and publish a review, labelled as paid · from $149/mo →

MetaVoice-1B pricing

MetaVoice-1B fact sheet

Alternatives to MetaVoice-1B

• ElevenLabsAffordable voice cloning with multilingual generation, dubbing, streaming, and API access.9.4
• Google Cloud Text-to-SpeechA broad, API-only TTS service for developers building voice-enabled products.9.3
• Azure AI SpeechA broad, production-ready TTS platform for teams building voice applications.9.2

See all MetaVoice-1B alternatives →

Featured on iTechGuides

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update