kitio.aiCartesia Sonic vs Uberduck
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Cartesia Sonic starts at $5/mo and Uberduck starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Real-time speech under 90ms
- 44 languages
- Instant voice cloning
- Emotion and laughter control
- Voice localisation
- Text to speech, singing and rap
- Voice cloning
- Speech-to-speech conversion
- AI song generation
- Developer API
- Multilingual voices
| Feature | Cartesia Sonic | Uberduck |
|---|---|---|
| Best for | Low-latency text-to-speech API for voice agents | AI vocals, text to speech, voice cloning and song generation |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | $5/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Cartesia | Uberduck |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Cartesia Sonic starts at $5/mo and Uberduck starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
5 plans
Free
Free
- 20K credits per month
- Text to speech and speech to text
- $1 of prepaid voice agent usage
Pro
$5/mo
- 100K credits per month
- Commercial use license
- Instant voice cloning
Startup
$49/mo
- 1.25M credits per month
- Professional voice cloning
- $49 of prepaid agent usage
Scale
$299/mo
- 8M credits per month
- Priority support
- High concurrency limits
Enterprise
Contact sales
- Custom credits and volume pricing
- SSO and DPAs
- Shared Slack channel
3 plans
Starter
$2/mo billed yearly
- 1,000 credits per month
- Private voice access
- Non-commercial license
Creator
$5/mo billed yearly
- 3,600 credits per month
- Commercial license
- API access
- AI raps and image generation
Pro
$30/mo billed yearly
- For larger creators and businesses
- Everything in Creator
Prices in USD, checked Oct 29, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Cartesia Sonic
- Very fast time to first audio
- Wide language coverage in one model
- Cloning from ten seconds of audio
- Aimed at developers more than casual users
- Credit system takes a while to understand
- Commercial license needs a paid plan
Uberduck
- Speech, singing and rap from one tool
- Low entry price for paid plans
- Commercial use on the Creator plan and up
- API for building voice features
- Starter plan is non-commercial only
- API access starts on the Creator plan
- Usage is capped by monthly credits
Which one should you choose?
Choose Cartesia Sonic if you want:
- Very fast time to first audio
- Wide language coverage in one model
- Cloning from ten seconds of audio
Watch out: aimed at developers more than casual users.
Choose Uberduck if you want:
- Speech, singing and rap from one tool
- Low entry price for paid plans
- Commercial use on the Creator plan and up
Watch out: starter plan is non-commercial only.
Cartesia Sonic vs Uberduck FAQ
What is the difference between Cartesia Sonic and Uberduck?
Cartesia Sonic: Low-latency text-to-speech API for voice agents. Uberduck: AI vocals, text to speech, voice cloning and song generation. Both are audio & voice tools.
Is Cartesia Sonic or Uberduck cheaper?
Cartesia Sonic starts at $5/mo and Uberduck starts at See pricing page. Check both pricing pages for current plans.
Do Cartesia Sonic and Uberduck have free plans?
Cartesia Sonic: Yes. Uberduck: Yes.
Who makes Cartesia Sonic?
Cartesia Sonic is made by Cartesia, based in United States.
Who makes Uberduck?
Uberduck is made by Uberduck.
Which should I choose, Cartesia Sonic or Uberduck?
Choose Cartesia Sonic if you value very fast time to first audio and wide language coverage in one model. Choose Uberduck if you value speech, singing and rap from one tool and low entry price for paid plans.