Kyutai (Moshi / Unmute) vs Cartesia vs Fish Audio vs Whisper API
A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.
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Cartesia
Ultra-low-latency voice AI on Mamba SSMs
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Fish Audio
TTS and voice cloning with #1 leaderboard ranks and 10-second clones
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Whisper API
OpenAI's open-source speech-to-text
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| RECATOOLS Score | 7 / 10 | 7.6 / 10 | 7.4 / 10 | 8.3 / 10 |
| Capability | ||||
| Value for money | ||||
| Ease of use | ||||
| ASEAN readiness | ||||
| API quality | ||||
| Pricing | Open Source | Paid | Freemium | Freemium |
| Free tier | — | — | — | — |
| Paid from | — | — | — | — |
| Has API | ✗ | ✓ | ✓ | ✓ |
| Open source | ✓ | ✗ | ✓ | ✓ |
| Free to use | ✓ | ✗ | ✓ | ✓ |
| Users | — | — | — | — |
| Founded | — | 2023 | — | 2022 |
| Maker | — | — | — | — |
| Verdict | Kyutai is the rare well-funded lab that actually ships open weights: Moshi, released in July 2024, was one of the first speech-native, full-duplex dialogue models, and Unmute lets you bolt real-time listening and speakin... |
Cartesia's Sonic models are a leading choice for real-time text-to-speech, prized for very low latency and natural prosody, making them well-suited to voice agents and interactive applications. The API is developer-frien... |
Fish Audio's credibility comes from its open-source lineage rather than marketing copy: the underlying Fish-Speech models on GitHub have over 21,000 stars, and the S1 model topped the TTS-Arena2 leaderboard while S2 Pro... |
Whisper is OpenAI's automatic speech-recognition model, available both as open-source weights and as a hosted API. It delivers excellent multilingual transcription and translation accuracy across noisy real-world audio,... |
| Full review → | Full review → | Full review → | Full review → |
Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.