kitio.aiCartesia Sonic vs ToneShift
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Cartesia Sonic starts at $5/mo and ToneShift starts at $4.99 one-time. 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
- Voice conversion
- Voice cloning
- Vocal and instrumental separation
- Community voices
- Mixer
- Token-based credits
| Feature | Cartesia Sonic | ToneShift |
|---|---|---|
| Best for | Low-latency text-to-speech API for voice agents | AI voice conversion, cloning and music stem separation |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | $5/mo | $4.99 one-time |
| Free plan | Yes | Yes |
| Made by | Cartesia | ToneShift |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Pricing compared
Cartesia Sonic starts at $5/mo and ToneShift starts at $4.99 one-time. 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
Free
Free
- 200 Sound Tokens
- Medium quality conversion
- Music separation
- 5 voices in library
Starter Pack
$4.99 one-time
- 1,000 Sound Tokens
- Custom voice cloning
- High quality conversion
Enhancer Pack
$19.99 one-time
- 5,000 Sound Tokens
- Professional quality cloning
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
ToneShift
- Free tokens on signup
- Several audio tools in one place
- Community voice library
- Free plan limited to medium-quality conversion
- Voice cloning needs a paid pack
- Site shows a 2023 copyright
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 ToneShift if you want:
- Free tokens on signup
- Several audio tools in one place
- Community voice library
Watch out: free plan limited to medium-quality conversion.
Cartesia Sonic vs ToneShift FAQ
What is the difference between Cartesia Sonic and ToneShift?
Cartesia Sonic: Low-latency text-to-speech API for voice agents. ToneShift: AI voice conversion, cloning and music stem separation. Both are audio & voice tools.
Is Cartesia Sonic or ToneShift cheaper?
Cartesia Sonic starts at $5/mo and ToneShift starts at $4.99 one-time. Check both pricing pages for current plans.
Do Cartesia Sonic and ToneShift have free plans?
Cartesia Sonic: Yes. ToneShift: Yes.
Who makes Cartesia Sonic?
Cartesia Sonic is made by Cartesia, based in United States.
Who makes ToneShift?
ToneShift is made by ToneShift.
Which should I choose, Cartesia Sonic or ToneShift?
Choose Cartesia Sonic if you value very fast time to first audio and wide language coverage in one model. Choose ToneShift if you value free tokens on signup and several audio tools in one place.