---
schema: "https://insidethemachine.ai/schema/listing.schema.json"
slug: "chattts"
name: "ChatTTS"
kind: "repo"
tier: "catalog"
category: "voice"
category_label: "Voice: speech-to-text & TTS"
stack_layer: "tools"
homepage: "https://2noise.com"
repo: "https://github.com/2noise/ChatTTS"
license: "AGPL-3.0"
stars: 39909
last_push: "2026-04-10"
archived: false
tags: ["slow-activity"]
seen_in_videos: []
gap_score: null
gap_score_status: "pending test on Mac Studio"
verified_on: "2026-10-15"
---

# ChatTTS

**What:** Conversational text-to-speech model.

**Why:** Talk to it and hear it answer, offline.

**Category:** Voice: speech-to-text & TTS · **Stack layer:** tools

## Status

Catalog entry. Existence and repo metadata checked 2026-10-15 via the GitHub API. Install commands below are auto-extracted from the README and have NOT been executed or verified. Read the README before running anything; prefer a sandbox or venv.

## Install (unverified)

1. [any] source: README (auto-extracted); status: unverified, not executed

```bash
pip install --upgrade -r requirements.txt
```

2. [any] source: README (auto-extracted); status: unverified, not executed

```bash
pip install safetensors vllm==0.2.7 torchaudio
```

3. [any] source: README (auto-extracted); status: unverified, not executed

```bash
pip install git+https://github.com/NVIDIA/TransformerEngine.git@stable
```

4. [any] source: README (auto-extracted); status: unverified, not executed

```bash
pip install flash-attn --no-build-isolation
```

## Verify

No verified check yet. Minimum: the install command exits 0 and the tool's own help/version flag runs (exact flag: see README).

## Rollback (unverified)

1. source: derived inverse of install command

```bash
pip uninstall -y requirements.txt
```

2. source: derived inverse of install command

```bash
pip uninstall -y safetensors
```

3. source: derived inverse of install command

```bash
pip uninstall -y flash-attn
```

## Links

- Homepage: https://2noise.com
- Repo: https://github.com/2noise/ChatTTS
- README: https://github.com/2noise/ChatTTS#readme