Model reference · open weights
fish-speech-1.5 is an open-weight audio or speech model from fishaudio. fish-speech-1.5 (BF16) weighs 1.3 GB; the smallest configuration that runs it is RTX 3060 12 GB.
Summary of the fishaudio/fish-speech-1.5 model card, 2026-10-01
What it is
| Released by | fishaudio |
|---|---|
| Released | 2024-11-24 |
| VRAM | 1.3 GB for the weights |
What it runs on
| Card | One stream | Memory |
|---|---|---|
| RTX 3060 12 GB | fits | 11.6 GB |
| RTX 4060 Ti 16 GB | fits | 15.4 GB |
| RTX 3090 24 GB | fits | 23.4 GB |
| RTX 4090 24 GB | fits | 23.4 GB |
| RTX 5090 32 GB | fits | 31.0 GB |
| L40S 48 GB | fits | 44.0 GB |
| A100 80 GB | fits | 78.2 GB |
| H100 80 GB | fits | 78.1 GB |
| RTX PRO 6000 Blackwell 96 GB | fits | 93.8 GB |
| DGX Spark (GB10) 128 GB unified | fits | 107 GB |
| H200 141 GB | fits | 138 GB |
| B200 180 GB | fits | 176 GB |
From the model card
Fish Speech V1.5 is a leading text-to-speech (TTS) model trained on more than 1 million hours of audio data in multiple languages.
Supported languages:
Please refer to Fish Speech Github for more info. Demo available at Fish Audio.
If you found this repository useful, please consider citing this work:
@misc{fish-speech-v1.4,
title={Fish-Speech: Leveraging Large Language Models for Advanced Multilingual Text-to-Speech Synthesis},
author={Shijia Liao and Yuxuan Wang and Tianyu Li and Yifan Cheng and Ruoyi Zhang and Rongzhi Zhou and Yijin Xing},
year={2024},
eprint={2411.01156},
archivePrefix={arXiv},
primaryClass={cs.SD},
url={https://arxiv.org/abs/2411.01156},
}
This model is permissively licensed under the CC-BY-NC-SA-4.0 license.
Quoted from the model card on Hugging Face. The full card is behind the Hugging Face link above.
How it works