Fish Speech 1.5
Fish Audio
Key facts · verified Oct 13, 2026
Fish Speech 1.5 is a Fish Audio audio generation model released on 24 Nov 2024. Pricing: Open weights under CC-BY-NC-SA-4.0 — non-commercial. Source: huggingface.co.
Fish Audio's Fish Speech 1.5, an open-weight text-to-speech model trained on more than 1 million hours of multilingual audio and released under CC-BY-NC-SA-4.0, which does not permit commercial use. It supports 13 languages including English, Chinese, Japanese, Korean and Arabic.
Pricing & specs checkedSource: vendor documentation · checked Oct 13, 2026LMArena: 1220 Elo (last listed Aug 22, 2026) · source · retrieved Aug 22, 2026
Pricing
Open weights under CC-BY-NC-SA-4.0 — non-commercial
Context
Not published
LMArena Elo
LMArena rank
Key Features
Audio Generation Text-to-Speech
Full Specifications
Open weights under CC-BY-NC-SA-4.0 — non-commercial | |
|---|---|
| Identity | |
| Developer | Fish Audio |
| Released | Nov 2024 |
| Licence | CC-BY-NC-SA-4.0 |
| Self-hostable | Yes — weights at fishaudio/fish-speech-1.5 |
| Capability | |
| Languages | 13 (zh, en, de, ja, fr, es, ko, ar, nl, ru, it, pl, pt) |
| Rights | |
| Commercial licence | No — non-commercial licence |
| Measured quality | |
| LMArena Elo | 1220 (checked Aug 2026) |
| LMArena rank | Rank 9 |