Is F5-TTS — Flow Matching Text-to-Speech free to use?

Yes. F5-TTS — Flow Matching Text-to-Speech is freely available on TokRepo. Check the Source & Thanks section on the asset page for the specific open-source license.

How do I install F5-TTS — Flow Matching Text-to-Speech?

Visit the asset page on TokRepo and click "Copy for agent" to get the installation instructions. Most assets can be installed with a single command.

ScriptsApr 1, 2026·2 min read

F5-TTS — Flow Matching Text-to-Speech

Name: F5-TTS — Flow Matching Text-to-Speech
Author: TokRepo精选

F5-TTS is a diffusion transformer TTS system with flow matching. 14.3K+ GitHub stars. Multi-speaker, voice chat, Gradio UI, CLI inference, 0.04 RTF on L20 GPU. MIT code.

TokRepo精选 · Community

Quick Use

Use it first, then decide how deep to go

This block should tell both the user and the agent what to copy, install, and apply first.

# Install
pip install f5-tts

# CLI inference
f5-tts_infer-cli --model F5TTS_v1_Base --ref_audio ref.wav --ref_text "Reference text" --gen_text "Text to generate"

# Or launch Gradio web UI
f5-tts_infer-gradio

# Voice chat with Qwen2.5
f5-tts_infer-gradio --voicechat

Intro

F5-TTS is a diffusion transformer-based text-to-speech system using flow matching with ConvNeXt V2 architecture, optimized for fast training and inference. With 14,300+ GitHub stars, F5-TTS delivers multi-speaker and multi-style speech synthesis, voice chat powered by Qwen2.5-3B-Instruct, a Gradio web interface for inference and fine-tuning, and CLI inference. With Triton/TensorRT-LLM optimization, it achieves 0.0394 real-time factor on L20 GPU. MIT licensed code with CC-BY-NC pre-trained models.

Best for: Researchers and developers needing high-quality multi-speaker TTS with voice cloning Works with: Claude Code, OpenAI Codex, Cursor, Gemini CLI, Windsurf Optimized: 0.04 RTF on L20 GPU with TensorRT-LLM

Key Features

Flow matching: Diffusion transformer with ConvNeXt V2 for natural speech
Multi-speaker: Multiple voices and speaking styles
Voice chat: Interactive voice conversation powered by Qwen2.5-3B
Gradio UI: Web interface for inference and fine-tuning
CLI inference: Command-line tool with custom configs
Ultra-fast: 0.0394 RTF on L20 GPU with TensorRT-LLM
Docker support: Containerized deployment ready

FAQ

Q: What is F5-TTS? A: F5-TTS is a diffusion transformer TTS with 14.3K+ stars using flow matching. Multi-speaker, voice chat, Gradio UI, 0.04 RTF on L20 GPU. MIT code, CC-BY-NC models.

Q: How do I install F5-TTS? A: Run pip install f5-tts. Use f5-tts_infer-cli for command-line or f5-tts_infer-gradio for web UI.

🙏

Source & Thanks

Created by SWivid. Code: MIT, Models: CC-BY-NC. SWivid/F5-TTS — 14,300+ GitHub stars

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F5-TTS — Flow Matching Text-to-Speech

Use it first, then decide how deep to go

Key Features

FAQ

Source & Thanks

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