No. 20 of 26 ·AI Voice Cloning Software

MetaVoice

Web · Linux · Self-hosted · API

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Freedom report

One barScore 5.4

Free tierNo free tier on record
Open codeNo open-source code on record
Runs widely2 of 6 device platforms
DocumentedPlans, terms and facts published

MetaVoice is ranked #20 of 26 in AI voice cloning software on Freedom251. It runs on API, Linux, Self-hosted, Web.

Compared on AI voice cloning software

Free plan: Yes
Cloning method: both
API access: Yes
Commercial use: Yes

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The record

Product status: The GitHub-linked metavoice.io site redirects to Familiar, which describes a duplex speech model for outbound sales calls and offers a 30-day pilot.
Open-source model: MetaVoice-1B is a 1.2-billion-parameter text-to-speech model trained on 100,000 hours of speech and released under the Apache 2.0 license.
Voice generation: The model targets emotional speech rhythm and tone in English, zero-shot cloning of American and British voices using 30 seconds of reference audio, and long-form synthesis.
Fine-tuning: The repository supports fine-tuning its first-stage language model and says it has succeeded with as little as one minute of training audio for Indian speakers.
Web interface: The repository includes a Gradio web UI with preset voices and an option to upload a target voice sample for cloning.
API and deployment: The project provides an inference server with API documentation at its /docs route and says it can be deployed on AWS, GCP, or Azure.
Local use: The model can be downloaded and run locally through the reference implementation.
Hardware requirement: Installation requires a GPU with at least 12 GB of VRAM and Python version 3.10 or later but below 3.12.
UI input limit: The included web UI accepts up to 220 characters of text and truncates longer input.
Voice upload limits: The web UI asks for a clean, single-speaker sample of 30 to 90 seconds without background noise, and its code enforces a 50 MB upload-size ceiling.
Optional integration: The fine-tuning workflow offers optional Weights & Biases logging.
Security and privacy: The repository describes the model and code as open source but does not state security certifications or data-handling commitments.
Organization: GitHub identifies the MetaVoice organization as based in the United States; the opened maker pages do not state its headquarters city or founding year.
Product: MetaVoice-1B is an open-source foundational text-to-speech model.

Where it ranks on Freedom251

Best AI Voice Cloning Software in 2026#20 of 26

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Sources

metavoice.io· checked 9 Oct 2026
github.com/metavoiceio/metavoice-src· checked 9 Oct 2026
github.com/metavoiceio/metavoice-src/blob/main/app· checked 9 Oct 2026
github.com/metavoiceio· checked 9 Oct 2026