kitio.aiChatterbox vs Altered Studio
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Chatterbox is completely free, while Altered Studio is freemium.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Zero-shot voice cloning
- Emotion exaggeration control
- Multilingual model
- Built-in audio watermark
- Local inference
- Speech-to-speech voice morphing
- Real-time virtual microphone
- Rapid voice cloning
- Accent morphing
- Text to speech
| Feature | Chatterbox | Altered Studio |
|---|---|---|
| Best for | Open-source text-to-speech with zero-shot voice cloning | Voice morphing studio that changes your voice while keeping the performance |
| Category | Audio & voice | Audio & voice |
| Pricing model | Free | Freemium |
| Starting price | Free | See pricing page |
| Free plan | Yes, fully free | Yes |
| Made by | Resemble AI | Altered |
| Based in | United States | United Kingdom |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Chatterbox is completely free, while Altered Studio is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- 3 min/month voice morphing
- 10,000 AI tokens
- Local voice cloning
Creator
$30/mo, billed annually
- 60 min/month voice morphing
- 325,000 AI tokens
- Accent and speaking style morphing
Professional
$90/mo, billed annually
- 180 min/month voice morphing
- 1,000,000 AI tokens
- Unlimited local morphing
- 48kHz output
Enterprise
Contact sales
- Unlimited voice morphing and tokens
- Multi-seat
- Dedicated account manager
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Chatterbox
- Free under the MIT license
- Good quality for an open model
- Runs fully offline
- Needs Python and a GPU
- No hosted editor in the repo
Altered Studio
- Preserves the original acting
- Works in real time and offline edits
- Useful for character work
- Free plan allows only minutes per month
- Best features on pricier plans
Which one should you choose?
Choose Chatterbox if you want:
- Free under the MIT license
- Good quality for an open model
- Runs fully offline
Watch out: needs python and a gpu.
Choose Altered Studio if you want:
- Preserves the original acting
- Works in real time and offline edits
- Useful for character work
Watch out: free plan allows only minutes per month.
Chatterbox vs Altered Studio FAQ
What is the difference between Chatterbox and Altered Studio?
Chatterbox: Open-source text-to-speech with zero-shot voice cloning. Altered Studio: Voice morphing studio that changes your voice while keeping the performance. Both are audio & voice tools.
Is Chatterbox or Altered Studio cheaper?
Chatterbox is completely free, while Altered Studio is freemium.
Do Chatterbox and Altered Studio have free plans?
Chatterbox: Yes, fully free. Altered Studio: Yes.
Who makes Chatterbox?
Chatterbox is made by Resemble AI, based in United States.
Who makes Altered Studio?
Altered Studio is made by Altered, based in United Kingdom.
Which should I choose, Chatterbox or Altered Studio?
Choose Chatterbox if you value free under the mit license and good quality for an open model. Choose Altered Studio if you value preserves the original acting and works in real time and offline edits.