kitio.aiCartesia Sonic vs WebsiteVoice
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Cartesia Sonic has the lower starting price: about $5 a month, against $9 for WebsiteVoice.
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
- Embeddable listen button
- WordPress plugin
- 38 languages
- Audio analytics
- MP3 downloads
- Playback speed control
| Feature | Cartesia Sonic | WebsiteVoice |
|---|---|---|
| Best for | Low-latency text-to-speech API for voice agents | Text-to-speech player that reads your website articles aloud |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Free trial |
| Starting price | $5/mo | $9/mo |
| Free plan | Yes | No, 14-day trial |
| Made by | Cartesia | WebsiteVoice |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Cartesia Sonic has the lower starting price: about $5 a month, against $9 for WebsiteVoice.
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
$9/mo
- 1 new audio play per day
- 38 languages
- Audio analytics
- MP3 downloads
Premium
$29/mo
- 5 new audio plays per day
- Additional voices
Professional
$49/mo
- 10 new audio plays per day
- Additional voices
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
WebsiteVoice
- One-line install or WordPress plugin
- Helps readers with visual impairments
- 14-day trial without a credit card
- Daily play limits on every plan
- Starter allows one new audio play a day
- Extra voices need a higher plan
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 WebsiteVoice if you want:
- One-line install or WordPress plugin
- Helps readers with visual impairments
- 14-day trial without a credit card
Watch out: daily play limits on every plan.
Cartesia Sonic vs WebsiteVoice FAQ
What is the difference between Cartesia Sonic and WebsiteVoice?
Cartesia Sonic: Low-latency text-to-speech API for voice agents. WebsiteVoice: Text-to-speech player that reads your website articles aloud. Both are audio & voice tools.
Is Cartesia Sonic or WebsiteVoice cheaper?
Cartesia Sonic has the lower starting price: about $5 a month, against $9 for WebsiteVoice.
Do Cartesia Sonic and WebsiteVoice have free plans?
Cartesia Sonic: Yes. WebsiteVoice: No, 14-day trial.
Who makes Cartesia Sonic?
Cartesia Sonic is made by Cartesia, based in United States.
Who makes WebsiteVoice?
WebsiteVoice is made by WebsiteVoice.
Which should I choose, Cartesia Sonic or WebsiteVoice?
Choose Cartesia Sonic if you value very fast time to first audio and wide language coverage in one model. Choose WebsiteVoice if you value one-line install or wordpress plugin and helps readers with visual impairments.