kitio.aiCartesia Sonic vs MixVoice
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. MixVoice has the lower starting price: about $5 a month, against $5 for Cartesia Sonic.
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 cloning from short samples
- Multilingual text to speech
- Voice design
- Emotion control
- API access on paid plans
| Feature | Cartesia Sonic | MixVoice |
|---|---|---|
| Best for | Low-latency text-to-speech API for voice agents | Voice cloning from a five-second sample, plus text to speech |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | $5/mo | $4.95/mo |
| Free plan | Yes | Yes |
| Made by | Cartesia | MixVoice |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
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Pricing compared
MixVoice has the lower starting price: about $5 a month, against $5 for Cartesia Sonic.
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
4 plans
Free
Free
- 200 characters per generation
- 500 seconds of speech to text
Lite
$4.95/mo
- 1M characters a month
- API included
- Commercial license
Pro
$9.90/mo
- 2M characters a month
- Unlimited voice cloning
- Priority support
6M Characters
$19.90/mo
- 6M characters a month
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
MixVoice
- Very low entry price
- API usage included in plans
- Short sample needed for cloning
- Free tier allows only 30 characters per input
- Cloning others' voices needs their consent
- Little detail on the company
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 MixVoice if you want:
- Very low entry price
- API usage included in plans
- Short sample needed for cloning
Watch out: free tier allows only 30 characters per input.
Cartesia Sonic vs MixVoice FAQ
What is the difference between Cartesia Sonic and MixVoice?
Cartesia Sonic: Low-latency text-to-speech API for voice agents. MixVoice: Voice cloning from a five-second sample, plus text to speech. Both are audio & voice tools.
Is Cartesia Sonic or MixVoice cheaper?
MixVoice has the lower starting price: about $5 a month, against $5 for Cartesia Sonic.
Do Cartesia Sonic and MixVoice have free plans?
Cartesia Sonic: Yes. MixVoice: Yes.
Who makes Cartesia Sonic?
Cartesia Sonic is made by Cartesia, based in United States.
Who makes MixVoice?
MixVoice is made by MixVoice.
Which should I choose, Cartesia Sonic or MixVoice?
Choose Cartesia Sonic if you value very fast time to first audio and wide language coverage in one model. Choose MixVoice if you value very low entry price and api usage included in plans.