ChatTTS

by 2noise

Don’t want to install ChatTTS? Drop the file here.

The first 20 minutes of any recording are transcribed free: a recording up to 20 minutes transcribes in full, a longer one is previewed, and a pack from $6 (500 minutes) transcribes the rest and opens every export, and credits never expire.

Conversational TTS — voice agent companion to Whisper.

Linux, macOS  ·  free

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

What people actually do with ChatTTS-style transcription

The tool is the means. These are the jobs — each one priced at published rates, each one wired up on its own page.

Wire it into Amazon S3n8nMake.comGoogle DriveZapierSlack

Features

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

Links

GitHub repo ↗

ChatTTS vs Whipscribe

FeatureChatTTSWhipscribe
CategoryOpen sourceTranscription APIs
Pricingfree$6–$24 one-time packs (credits never expire) · first 20 minutes free
Speaker identificationNoNamed in the summary, key quotes and chapters
Word timestampsYesYes
StreamingNoNo
Languages299
PlatformsLinux, macOSWeb, API, MCP

Alternatives to ChatTTS

Frequently asked about ChatTTS

Is ChatTTS free?

Yes. ChatTTS is free and open source.

Does ChatTTS work on Mac, Windows and Linux?

ChatTTS runs on Linux and macOS. It is not listed for other platforms; check the vendor for anything beyond Linux and macOS.

How do I install ChatTTS?

With pip: `pip install chattts`. You need Python and, for most audio tools, ffmpeg on your PATH first.

How many languages does ChatTTS support?

ChatTTS lists 2 languages.

Does ChatTTS identify different speakers?

No. ChatTTS does not label speakers; a conversation comes back as one continuous text. If you need speaker labels, that is a separate tool or a different service.

Does ChatTTS give word-level timestamps?

Yes — ChatTTS produces timing per word, which is what subtitle cues and clip boundaries need.

Can ChatTTS transcribe live audio?

No — ChatTTS works on finished files, not a live stream.

Is ChatTTS HIPAA compliant?

ChatTTS does not claim HIPAA compliance. For PHI, run it on infrastructure you control or choose a service that will sign a BAA.

What are the limitations of ChatTTS?

TTS only; English + Mandarin.

Who is ChatTTS best for?

Two-way voice bots: Whisper in, ChatTTS out.

Does ChatTTS run offline?

ChatTTS runs on your own machine — it is open source, so nothing leaves the computer unless you configure it to.

Can I use ChatTTS in the browser?

No — ChatTTS is a Linux and macOS application, not a web app. You install it rather than sign in to it.

Where is the ChatTTS source code?

On GitHub at github.com/2noise/ChatTTS. It is maintained by 2noise.

What kind of tool is ChatTTS?

In this directory ChatTTS is filed under tts, conversational as a open-source tool.

What are the alternatives to ChatTTS?

There is a side-by-side page at /tools/chattts-alternatives comparing ChatTTS with the closest tools in the same category on price, platform and features.

Whipscribe is a hosted transcription service. If you want transcripts without running infrastructure, paste a URL or drop a file in the form below — you'll have a transcript in seconds.

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