kitio.aiCartesia Sonic vs Text to Voice
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Cartesia Sonic starts at $5/mo and Text to Voice 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
- Emotion and speed controls
- Gen2 lifelike voices
- Multi-speaker scripts
- Voice cloning
- Sound effects
- SSML input
| Feature | Cartesia Sonic | Text to Voice |
|---|---|---|
| Best for | Low-latency text-to-speech API for voice agents | Online speech generator with emotions, SSML and cloning |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | $5/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Cartesia | Text to Voice |
| 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 Text to Voice 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
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
Text to Voice
- Emotion control for each clip
- Multi-speaker and SSML support
- Free guest use to test voices
- Character allowance is small without paying
- Pricing details not shown on the page
- Interface is dense for new users
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 Text to Voice if you want:
- Emotion control for each clip
- Multi-speaker and SSML support
- Free guest use to test voices
Watch out: character allowance is small without paying.
Cartesia Sonic vs Text to Voice FAQ
What is the difference between Cartesia Sonic and Text to Voice?
Cartesia Sonic: Low-latency text-to-speech API for voice agents. Text to Voice: Online speech generator with emotions, SSML and cloning. Both are audio & voice tools.
Is Cartesia Sonic or Text to Voice cheaper?
Cartesia Sonic starts at $5/mo and Text to Voice starts at See pricing page. Check both pricing pages for current plans.
Do Cartesia Sonic and Text to Voice have free plans?
Cartesia Sonic: Yes. Text to Voice: Yes.
Who makes Cartesia Sonic?
Cartesia Sonic is made by Cartesia, based in United States.
Who makes Text to Voice?
Text to Voice is made by Text to Voice.
Which should I choose, Cartesia Sonic or Text to Voice?
Choose Cartesia Sonic if you value very fast time to first audio and wide language coverage in one model. Choose Text to Voice if you value emotion control for each clip and multi-speaker and ssml support.