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.

Kyutai (Moshi / Unmute) French nonprofit open-sourcing Moshi and Unmute real-time voice AI Visit Cartesia Ultra-low-latency voice AI on Mamba SSMs Visit Fish Audio TTS and voice cloning with #1 leaderboard ranks and 10-second clones Visit Whisper API OpenAI's open-source speech-to-text Visit
RECATOOLS Score 7 / 10 7.6 / 10 7.4 / 10 8.3 / 10
Capability 8 8 7.5 8.5
Value for money 9 7 7.5 9
Ease of use 4 7 7.5 6
ASEAN readiness 6 6 6.5 6.5
API quality 5 8 7.5 8.5
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,...

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Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.