Chatterbox: Clone Voices with Emotion Control

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Overview

Chatterbox is a text-to-speech model that turns written text into natural, expressive audio with fine control over tone and emotion. If you've ever recorded a voiceover and thought it sounded flat or mechanical, this is the tool that fixes that problem. On Picasso IA, you paste any script, dial in the emotional intensity, and clone a voice from a short reference clip, all without touching a single line of code. The result is speech that sounds like a real person, not a system reading words off a page.

How It Works

Paste the text you want spoken into the prompt field.
Optionally upload a short audio clip of the voice you want to clone; leave it empty to use the default voice.
Adjust the exaggeration slider to set the emotional tone: near 0.5 for neutral delivery, higher for more expressive speech.
Set the CFG/pace weight to control how closely the output follows your prompt's intended rhythm and pacing.
Hit generate and download your audio file in seconds.

Frequently Asked Questions

Do I need programming skills or technical knowledge to use this? No, just open Chatterbox on Picasso IA, adjust the settings you want, and hit generate.

Is it free to try? Yes, you can run Chatterbox without any upfront cost. Check the pricing section for credit details on longer or repeated generations.

How long does it take to get results? Most generations finish in a few seconds, depending on how long your text is. Short scripts return near-instantly; longer passages take a bit more time.

What audio formats does the output come in? Chatterbox returns clean audio files ready to download. There are no audible watermarks on the output, though a transparent digital watermark is embedded for content verification purposes.

Can I clone any voice I want? You can clone a voice from any short audio clip you upload as a reference. A clear, quiet recording gives the closest match to the original speaker's tone and cadence.

How much control do I have over the emotional delivery? The exaggeration parameter shifts delivery from calm and neutral toward more animated, emotive speech. Small, incremental adjustments give the most consistent results since extreme values can produce unstable output.

Where can I use the audio I generate? The output is a standard audio file you can drop into video editors, podcast software, presentation tools, or any platform that accepts audio uploads.

Credit Cost

Each generation consumes 1 credit

1 credit

or 5 credits for 5 generations

Features

Everything this model can do for you

Emotion control

Adjust speech expressiveness from calm narration to animated delivery with a single slider.

Instant voice cloning

Reproduce any speaker's voice from just a few seconds of reference audio.

Built-in watermarking

Every output carries an inaudible trace so your audio stays traceable without affecting sound quality.

Temperature adjustment

Control how varied or predictable the speech output sounds across repeated runs.

Pace control

Set the CFG weight to tune the delivery speed and match the rhythm of your content.

No setup required

Run directly in the browser without installing software or writing a single line of code.

Seed control

Reproduce the same output exactly by fixing the seed, useful when consistency across takes matters.

Use Cases

Generate a voiceover for an online video by pasting your script and cloning your own voice from a short audio sample

Create distinct character voices for an audiobook by uploading a brief reference clip for each speaker you want to Picasso IA

Produce a product demo narration without hiring a voice actor, using any reference voice you provide

Record consistent podcast intros and outros by reusing the same reference audio clip across every episode

Synthesize speech from a translated script while keeping the original speaker's vocal profile for localized content

Test different emotional tones for an ad read by adjusting the exaggeration slider from calm to highly expressive

Add natural-sounding narration to a slideshow or presentation by typing the script and selecting the voice style

Examples

6.1s

Cfg Weight: 0.5

Temperature: 0.8

Exaggeration: 0.5

Now let's make my mum's favourite. So three mars bars into the pan. Then we add the tuna and just stir for a bit, just let the chocolate and fish infuse. A sprinkle of olive oil and some tomato ketchup. Now smell that. Oh boy this is going to be incredible.

12.8s

Cfg Weight: 0.5

Temperature: 0.8

Exaggeration: 0.5

We're excited to introduce Chatterbox, our first production-grade open source TTS model. Licensed under MIT, Chatterbox has been benchmarked against leading closed-source systems like ElevenLabs, and is consistently preferred in side-by-side evaluations. Whether you're working on memes, videos, games, or AI agents, Chatterbox brings your content to life. It's also the first open source TTS model to support emotion exaggeration control, a powerful feature that makes your voices stand out. Try it now on our Hugging Face Gradio app. If you like the model but need to scale or finetune it for higher accuracy, check out our competitively priced TTS service (link). It delivers reliable performance with ultra-low latency of sub 200ms—ideal for production use in agents, applications, or interactive media.

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