Fish Audio
Open-weight multilingual TTS and voice cloning.
Full Fish Audio record →Head to head
Fish Audio (Fish Audio) and AssemblyAI (AssemblyAI) both sit in Audio. AssemblyAI shipped more tracked changes in the last 30 days (5 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Fish Audio Fish Audio | AssemblyAI AssemblyAI |
|---|---|---|
| Segment | Audio | Audio |
| Version | S1 | Universal-3.5 Pro |
| Entry cost | Open weights; API from $15/M chars | Free tier with $50 free credits, then pay-as-you-go starting at $0.15/hr for pre-recorded STT (Universal-2) |
| Pricing tiers | — | Free Credits free |
| Model stack | Fish Speech S1 | Claude · Claude 4.6 Sonnet · Claude 4.8 Opus · Gemini 2.5 Pro · Gemini 3.5 Flash · GPT-5.5 · Qwen3 Next 80B A3B · u3-rt-pro · Universal-2 · universal-3-pro · Universal-3.5 Pro · Universal-3.5 Pro Realtime · Universal-Streaming English · Universal-Streaming Multilingual |
| Context window | — | n/a |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 5 |
| Origin | China | Global |
| Capabilities | Voice cloning, Multilingual, Self-host | Speaker diarization, Summarisation, Topic detection, PII redaction, LeMUR framework, Pre-recorded STT, Real-time STT, Voice Agent API |
Open-weight multilingual TTS and voice cloning.
Full Fish Audio record →Transcription plus summarisation, topic detection and speaker labels for developers.
Full AssemblyAI record →