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:Jul 16, 2025
Fish Speech Monthly Traffic Trends
Fish Speech experienced a 5.2% increase in visits, reaching 1.86M visits. The 1.3 update with enhanced stability, emotion, and voice cloning capabilities likely contributed to this growth. Fish Audio's user-friendly interface and affordability are also attracting more users.
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
1.9M
Monthly Visits
#24468
Global Rank
#438
Category Rank
Traffic Trends: Jul 2024-Jun 2025
Fish Speech User Insights
00:05:46
Avg. Visit Duration
5.24
Pages Per Visit
38.74%
User Bounce Rate
Top Regions of Fish Speech
US: 19.07%
BR: 9.51%
CN: 7.53%
IN: 5.51%
JP: 5.42%
Others: 52.96%
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