Fish Speech
Fish Speech is an open-source, multilingual text-to-speech model capable of generating high-quality, natural-sounding speech in Chinese, Japanese, and English with customizable voices and emotions.
https://fish.audio/
Product Information
Updated:Jun 9, 2025
Fish Speech Monthly Traffic Trends
Fish Speech achieved 1.6M visits with a 26.5% growth in July. The release of Fish Speech 1.5 on March 3, 2025, which enhances voice cloning capabilities for developers, likely contributed to this significant increase in traffic.
What is Fish Speech
Fish Speech is a powerful open-source text-to-speech (TTS) solution developed by Fish Audio. Trained on over 150,000 hours of audio data across Chinese, Japanese, and English, it offers near human-level language processing and a wide range of expressive capabilities. Fish Speech aims to democratize high-quality TTS technology by providing a customizable model that can be easily run and fine-tuned on personal devices, making it accessible to developers, researchers, and enthusiasts alike.
Key Features of Fish Speech
Fish Speech is an open-source text-to-speech (TTS) model developed by Fish Audio that supports multiple languages including Chinese, Japanese, and English. It utilizes advanced techniques like VQ-GAN and LLAMA to generate high-quality, natural-sounding speech with fast inference speeds. The model has been trained on 150,000 hours of multilingual data and offers customization capabilities.
Multilingual Support: Capable of generating speech in Chinese, Japanese, and English with near human-level language processing abilities.
High-Quality Output: Produces natural-sounding speech with proper intonation, rhythm, and accent, rivaling commercial solutions.
Fast Inference: Operates at approximately 20 tokens per second, allowing for rapid content generation (around 20 seconds of audio per second on a 4090 GPU).
Customizable: Allows fine-tuning on custom datasets to adapt to specific voices or domains.
Open Source: Released under open-source licenses, enabling community contributions and modifications.
Use Cases of Fish Speech
Virtual Assistants: Powering voice interfaces for AI assistants and chatbots across multiple languages.
Content Creation: Generating voiceovers for videos, podcasts, and other multimedia content.
Accessibility: Converting written text to speech for visually impaired users or those with reading difficulties.
Language Learning: Providing pronunciation examples and reading practice in multiple languages.
Gaming and Entertainment: Creating dynamic voice content for video games and interactive entertainment applications.
Pros
High-quality, natural-sounding speech output
Fast inference speeds
Open-source and customizable
Multilingual support
Cons
Requires significant computational resources for training and fine-tuning
May have limitations in handling certain pronunciations or specialized vocabulary
Potential legal considerations when using for voice cloning or impersonation
How to Use Fish Speech
Install dependencies: Install required packages by running: pip3 install torch torchvision torchaudio
Create virtual environment: Create a Python 3.10 virtual environment using conda: conda create -n fish-speech python=3.10
Activate environment: Activate the virtual environment: conda activate fish-speech
Install Fish Speech: Install Fish Speech by running: pip3 install -e .
Download models: Download required models from Hugging Face: huggingface-cli download fishaudio/fish-speech-1.2-sft --local-dir checkpoints/fish-speech-1.2-sft
Run inference: Generate speech by running: python tools/llama/generate.py --text "Your text here" --checkpoint-path "checkpoints/fish-speech-1.2-sft"
Decode audio: Decode the generated tokens to audio using VQGAN: python tools/vqgan/inference.py -i "codes_0.npy" --checkpoint-path "checkpoints/fish-speech-1.2-sft/firefly-gan-vq-fsq-4x1024-42hz-generator.pth"
Start web UI (optional): Launch the web interface by running: python -m tools.webui --llama-checkpoint-path "checkpoints/fish-speech-1.2-sft" --decoder-checkpoint-path "checkpoints/fish-speech-1.2-sft/firefly-gan-vq-fsq-4x1024-42hz-generator.pth"
Fish Speech FAQs
Fish Speech is an open-source text-to-speech (TTS) model developed by Fish Audio. It is trained on 150,000 hours of multilingual audio data and can generate high-quality speech in Chinese, Japanese, and English.
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Analytics of Fish Speech Website
Fish Speech Traffic & Rankings
1.6M
Monthly Visits
#27653
Global Rank
#533
Category Rank
Traffic Trends: Jun 2024-May 2025
Fish Speech User Insights
00:06:30
Avg. Visit Duration
5.93
Pages Per Visit
39.18%
User Bounce Rate
Top Regions of Fish Speech
US: 13.2%
BR: 12.18%
CN: 8.74%
KR: 6.39%
PK: 5.77%
Others: 53.73%
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