ChatTTS

by 2noise

Conversational TTS — voice agent companion to Whisper.

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TL;DR

Best for two-way voice bots: Whisper in, ChatTTS out. Pricing: free.

Category
Open source
License
AGPL-3.0
Stars
★ 39.7k
Last push
2026-04-10
Pricing
free
Platforms
Linux, macOS

What it is

A conversational TTS optimized for natural-turn replies. AGPL-3.0.

Best for: Two-way voice bots: Whisper in, ChatTTS out.
Watch out for: TTS only; English + Mandarin.

Install / use

pip install chattts

Features

Speaker diarizationNo
Word-level timestampsYes
Streaming / real-timeNo
Languages supported2
HIPAA eligibleNo

Links

GitHub repo ↗

ChatTTS vs Whipscribe

FeatureChatTTSWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$4–$24 one-time packs (credits never expire) · $2 single unlock · 60 min free on signup
Speaker diarizationNoYes
Word timestampsYesYes
StreamingNoNo
Languages299
PlatformsLinux, macOSWeb, API, MCP

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