Top 7 Picks
Updated 2025

Best Open Source TTS

Discover the best open-source text-to-speech models and tools. Self-host, customize, and control your voice synthesis.

Top Picks for Open Source

#1

Coqui

4.2
Free Tier

Open-source TTS with XTTS voice cloning from seconds of audio.

XTTS voice cloning
13+ languages
Emotion control
Open-source models
#2

Bark (Suno)

4
Free Tier

Open-source text-to-audio model that generates speech, music, and sound effects.

Multilingual speech
Music generation
Sound effects
Emotional expressions
#3

Fish Audio

4.1
Free Tier

Fast, open-source voice synthesis with real-time cloning capabilities.

Fish Speech model
Voice cloning
Real-time synthesis
Multi-language support
#4

Dia (Nari Labs)

4
Free Tier

Multi-speaker dialogue model for natural conversations and podcasts.

Multi-speaker dialogue
Natural conversations
Emotion expression
Open-source
#5

Chatterbox (Resemble AI)

4.2
Free Tier

Open-source expressive TTS from Resemble AI with voice cloning.

High-quality synthesis
Voice cloning
Emotion control
Open-source
#6

OpenVoice

4.1
Free Tier

Open-source instant voice cloning with cross-lingual capabilities.

Instant voice cloning
Cross-lingual synthesis
Style control
Open-source
#7

ByteDance MegaTTS

4.3
Free Tier

ByteDance's zero-shot TTS with prosody transfer for natural speech.

Zero-shot synthesis
Prosody transfer
Natural speech
Open-source

How We Select the Best

Model quality
Ease of setup
Hardware requirements
Community support
Customization options
License terms

Benefits of Open Source

Free to use
Full control
Privacy (local)
Customizable
No API costs
Learn and experiment

Who Is This For?

Developers
Researchers
Privacy-conscious users
Hobbyists
AI enthusiasts

Quick Summary

  • 7 platforms compared
  • Top pick: Coqui
  • Expert reviewed
  • Updated for 2025

Full Comparison

See detailed side-by-side comparisons of all TTS platforms.

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