Fish Speech 1.5
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A to Z
- A · App
- No
- B · Built By
- Fish Audio
- C · CEO & Politics
- Rissa Cao — No public partisan activity documented
- D · Date
- 2024
- E · Expertise
- Intermediate+
- F · Free Tier
- Yes
- G · Generates
- Text only
- H · Deployment
- Cloud + Local (open weights)
- I · Inputs
- Text
- J · Jurisdiction
- Open-source/community
- K · Key Staffers
- Shijia Liao (Lead author)
- L · Languages
- English-primary
- M · Model Type
- Speech Synthesis
- N · Safety Issues
- Synthetic audio risks: voice cloning or impersonation misuse, copyright/style imitation concerns, and possible unsafe or biased outputs depending on deployment safeguards.
- O · Open Source
- Yes — open weights
- P · Pricing
- Free for non-commercial use (open weights, CC BY-NC-SA 4.0)
- Q · AIDb Rating
- [UNKNOWN]
- R · What Makes It Special
- Fish Audio's Fish Speech 1.5, a text-to-speech model trained on more than 1 million hours of multilingual audio, led by English and Chinese (over 300K hours each) and Japanese (over 100K), with about 20K hours each for German, French, Spanish, Korean, Arabic and Russian and smaller amounts for Dutch, Italian, Polish and Portuguese; the weights are free for non-commercial use under CC BY-NC-SA 4.0.
- S · Stock / Status
- Private/open-source project
- T · Training Cutoff
- [UNKNOWN]
- U · Users
- [UNKNOWN]
- V · Voice Chat
- No
- W · Weights
- Downloadable
- X · X Handle
- @FishAudio
- Y · Year Founded
- [UNKNOWN]
- Z · Bottom Line
- Open-weights Speech Synthesis from Fish Audio, released 2024.
Data completeness 85% · Last verified 2026-05-12 · Primary source ↗
Cite this
“Fish Speech 1.5.” AIDb — The AI Database. Verified 2026-05-12. https://theaidatabase.com/m/fish-speech-15.html