Chatterbox

Replicate
Text-to-Speech

Resemble AI's open Chatterbox TTS. Zero-shot voice cloning from a short audio prompt with an exaggeration control for emotion intensity, plus CFG weight to balance pacing and fidelity.

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Type any text and hear it spoken in a chosen voice.
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TL;DRΒ·Last updated June 24, 2026

Chatterbox is text-to-speech AI model from Replicate, priced at €0.000 per 1M input tokens with a unknown context window.

About this model

Chatterbox is Resemble AI's production-grade open TTS. It clones a voice from a brief audio_prompt and offers an exaggeration slider that scales emotional intensity, which is unusual for open models. cfg_weight and temperature tune delivery. Hosted by resemble-ai on Replicate.
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Pricing

Price per Generation
Per generation€2.00

API Integration

Use our OpenAI-compatible API to integrate Chatterbox into your application.

Install
npm install railwail
JavaScript / TypeScript
import railwail from "railwail";

const rw = railwail("YOUR_API_KEY");

// Simple β€” just pass a string
const reply = await rw.run("chatterbox", "Hello! What can you do?");
console.log(reply);

// With message history
const reply2 = await rw.run("chatterbox", [
  { role: "system", content: "You are a helpful assistant." },
  { role: "user", content: "Explain quantum computing simply." },
]);
console.log(reply2);

// Full response with usage info
const res = await rw.chat("chatterbox", [
  { role: "user", content: "Hello!" },
], { temperature: 0.7, max_tokens: 500 });
console.log(res.choices[0].message.content);
console.log(res.usage);
Specifications
Price
€2.00
Developer
Replicate
Category
Text-to-Speech
Supported Formats
text
audio
Tags
replicate
resemble-ai
tts
voice-cloning
expressive

Frequently asked questions

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