12 Best CosyVoice Alternatives (2026)
CosyVoice is alibaba's open multilingual voice generation family (cosyvoice 1/2/fun-cosyvoice 3) with zero-shot cloning, bidirectional streaming, and instruction-based control.. Teams that switch usually cite price at production volume, language coverage, self-hosting and license control. The alternatives below are ranked by published head-to-head verdicts, not sponsorship.
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Reviewed by vsref Editorialfacts verified Sep 23, 2026Methodology →
Where to switch, by reason
All 51 text-to-speech apis alternatives
How the top CosyVoice alternatives compare
A closer look at the top 6: each CosyVoice alternative's standing among Text-to-speech APIs peers, its verdict record against CosyVoice, and the trade-offs of leaving.
1. Fish Speech
Among the 46 text-to-speech tools we track, Fish Speech has the 6th-widest language coverage - a fit for multilingual and localization projects.
In our published verdicts, Fish Speech beats CosyVoice for audiobooks, dubbing and voice agents.
The reverse angle matters too - CosyVoice vs Fish Speech: about half the languages.
Why teams switch: Dubbing and localization depends primarily on language coverage and voice cloning across those languages. Fish Speech supports 80 languages versus CosyVoice's 9 languages, a nearly 9x advantage. Both tools offer instant voice cloning, but Fish Speech's broader language support makes it vastly more feasible for multi-market dubbing workflows. The licensing difference (Apache-2.0 for CosyVoice vs custom non-commercial for Fish Speech) is a consideration, but the language coverage gap is decisive for this use case.
Dubbing verdict →
Overall verdict: Fish Speech wins 3 of the 4 use cases already decided. It supports 80 languages versus CosyVoice's 9 (facts 1f34c7da, 9f46db50), making it the stronger default for multilingual products like dubbing and localization. Its 31,300 GitHub stars versus 22,288 also signal broader community adoption. CosyVoice holds an edge for self-hosted deployments needing permissive Apache-2.0 licensing and lighter hardware, but that is a narrower audience. For most buyers, Fish Speech is the safer overall choice.
Full Fish Speech vs CosyVoice comparison → · Fish Speech review →
2. Amazon Polly
Among the 10 text-to-speech tools we track, Amazon Polly has the 1st-cheapest fast-model rate and the 10th-widest language coverage - a fit for multilingual and localization projects.
Before switching, weigh what stays behind - CosyVoice vs Amazon Polly: about half the languages, adds instant voice cloning.
Its published rate is $30 per 1M characters, verified July 2026.
| Monthly volume | $ / 1M chars | $ / audio-min | Monthly bill |
|---|---|---|---|
| 200K chars/moHobby project | $30 | $0.0285 | $6 |
| 2M chars/moProduct feature | $30 | $0.0285 | $60 |
| 20M chars/moAt scale | $30 | $0.0285 | $600 |
Usage-priced at $30 per 1M characters (≈ $0.0285 per audio-minute), verified Jul 20, 2026. Effective rates from published pricing; subscription plans resolve to plan fee plus overage. ~950 characters ≈ 1 audio minute. How we compute costs →
3. Azure Speech
Among the 46 text-to-speech tools we track, Azure Speech has the 3rd-widest language coverage and the 6th-cheapest flagship rate - a fit for multilingual and localization projects and cost-sensitive, high-volume work.
The reverse angle matters too - CosyVoice vs Azure Speech: about half the languages.
Published pricing starts at $22 per 1M characters, verified July 2026.
| Monthly volume | $ / 1M chars | $ / audio-min | Monthly bill |
|---|---|---|---|
| 200K chars/moHobby project | $22 | $0.0209 | $4.40 |
| 2M chars/moProduct feature | $22 | $0.0209 | $44 |
| 20M chars/moAt scale | $22 | $0.0209 | $440 |
Usage-priced at $22 per 1M characters (≈ $0.0209 per audio-minute), verified Jul 20, 2026. Effective rates from published pricing; subscription plans resolve to plan fee plus overage. ~950 characters ≈ 1 audio minute. How we compute costs →
4. CAMB.AI
Among the 46 text-to-speech tools we track, CAMB.AI has the 2nd-widest language coverage - a fit for multilingual and localization projects.
Before switching, weigh what stays behind - CosyVoice vs CAMB.AI: about half the languages.
5. Cartesia
Among the 46 text-to-speech tools we track, Cartesia has the 9th-widest language coverage and the 3rd-fastest time-to-first-byte - a fit for multilingual and localization projects and real-time, conversational apps.
Before switching, weigh what stays behind - CosyVoice vs Cartesia: about half the languages.
6. Chatterbox
Among the 46 text-to-speech tools we track, Chatterbox has the 18th-widest language coverage.
Before switching, weigh what stays behind - CosyVoice vs Chatterbox: about half the languages, adds streaming audio output.