F5-TTS by SWivid (SJTU et al.)

Zero-shot voice-cloning TTS; code MIT, pre-trained weights CC BY-NC.

Voiceover (text-to-speech) Open source

Website License

Price

Free

Self-hosted.

Commercial use

Code MIT; weights CC-BY-NC-4.0

Credit the author

Required

Credit required

Agent access

Package (npm/PyPI)

Rules for your agent

- F5-TTS (Voiceover (text-to-speech)). Zero-shot voice-cloning TTS; code MIT, pre-trained weights CC BY-NC. Price: free; non-commercial only; credit required; cannot ship inside an app.
  Connect: PyPI f5-tts.
  Rule: Do not use the official pre-trained weights commercially.
  License: https://github.com/SWivid/F5-TTS (checked 2026-10-10; details: https://agentgid.com/assets/f5-tts/)

Paste it into your prompt or AGENTS.md. It is built from the license and API terms below.

License

License	Code MIT; weights CC-BY-NC-4.0
Commercial use	Non-commercial only
Credit	Credit required
Inside your app or game	Cannot ship inside an app
Monetized YouTube	Not for monetized YouTube
AI training	Not stated
Bots and bulk downloads	Not stated
Rules	Do not use the official pre-trained weights commercially.

Connect it to an agent

MCP server	None found
API	No public API: download by hand
PyPI	`pip install f5-tts`
GitHub	SWivid/F5-TTS

Pricing

Free	Self-hosted.
Paid from	—
Usage price	—

Sources

Read on Oct 10, 2026: github.com/SWivid/F5-TTS, huggingface.co/SWivid/F5-TTS.

Not legal advice. Check the license page before you ship.

Alternatives to F5-TTS

All voiceover (text-to-speech)

Source	Price	License	Monetized YouTube	Agent access
Cartesia Sonic Sonic TTS API (Sonic 3.6 claims 44 languages) with instant and pro voice cloning.	Free tier · from $5/mo	Commercial: conditions	With conditions	MCP API
ElevenLabs Text-to-speech and voice cloning API in many languages, with an official MCP server.	Free tier · from $6/mo	Commercial: conditions	With conditions	MCP API
Fish Audio TTS app and pay-as-you-go API priced per UTF-8 byte; S2.1-Pro claims 83 languages.	Free tier · from $11/mo	Commercial: conditions	With conditions	MCP API
Hume Octave Octave TTS with voice cloning and an official MCP server.	Free tier · from $3/mo	Commercial: conditions	With conditions	MCP API
Speechify API TTS API (Simba models) with a free plan that lists commercial use.	Free tier · from $10/mo	Commercial OK	With conditions	API
WellSaid TTS voices with commercial rights on paid plans; API access is available.	Free tier · from $10/mo	Commercial: conditions	With conditions	API
Chatterbox MIT-licensed open TTS with zero-shot cloning in 23 languages and a built-in Perth watermark.	Free	Commercial OK No credit	Yes	PyPI
Kokoro-82M 82M-parameter open-weight TTS model under Apache-2.0 with fixed voice packs.	Free	Commercial OK No credit	Yes	npm