kitio.aiCartesia vs Voicegain
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Cartesia starts at $5/mo and Voicegain 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
- Sonic streaming TTS
- Ink speech-to-text
- Instant voice cloning
- Emotion and speed controls
- Voice agent platform
- Batch and streaming STT
- Speech analytics API
- Telephony voice bots
- MRCP ASR for IVR
- On-premises deployment
- HIPAA-compliant cloud
| Feature | Cartesia | Voicegain |
|---|---|---|
| Best for | Low-latency text-to-speech and speech-to-text models for voice apps | Speech-to-text APIs and voice agents you can run on-premises |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | $5/mo | See pricing page |
| Free plan | Yes | Yes |
| Made by | Cartesia | Voicegain |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Cartesia starts at $5/mo and Voicegain 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/month
- $1 prepaid agents/month
- Text to speech and speech to text
Pro
$5/mo
- 100K credits/month
- Commercial use license
- Instant voice cloning
Startup
$49/mo
- 1.25M credits/month
- Pro voice cloning
Scale
$299/mo
- 8M credits/month
- Priority support
- High concurrency limits
Enterprise
Custom
- Volume pricing
- DPAs and BAAs
- SSO
3 plans
Free to start
Free
- $50 platform credit
- All cloud APIs
- No credit card needed
Cloud
$0.0002 / sec
- Batch and streaming STT
- Speech analytics and bot APIs
On-premises
Contact sales
- For regulated industries
- Runs in your own environment
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Cartesia
- Very low latency for real-time use
- Cheap entry plan with commercial rights
- Strong voice quality rankings
- Built for developers, not casual users
- Agent usage billed separately
Voicegain
- Cloud, VPC or on-premises options
- $50 free credit without a sales call
- Works with legacy IVR through MRCP
- Packaged suite only for healthcare payers
- Building agents takes developer work
- Per-second billing can be hard to forecast
Which one should you choose?
Choose Cartesia if you want:
- Very low latency for real-time use
- Cheap entry plan with commercial rights
- Strong voice quality rankings
Watch out: built for developers, not casual users.
Choose Voicegain if you want:
- Cloud, VPC or on-premises options
- $50 free credit without a sales call
- Works with legacy IVR through MRCP
Watch out: packaged suite only for healthcare payers.
Cartesia vs Voicegain FAQ
What is the difference between Cartesia and Voicegain?
Cartesia: Low-latency text-to-speech and speech-to-text models for voice apps. Voicegain: Speech-to-text APIs and voice agents you can run on-premises. Both are audio & voice tools.
Is Cartesia or Voicegain cheaper?
Cartesia starts at $5/mo and Voicegain starts at See pricing page. Check both pricing pages for current plans.
Do Cartesia and Voicegain have free plans?
Cartesia: Yes. Voicegain: Yes.
Who makes Cartesia?
Cartesia is made by Cartesia, based in United States.
Who makes Voicegain?
Voicegain is made by Voicegain, based in United States.
Which should I choose, Cartesia or Voicegain?
Choose Cartesia if you value very low latency for real-time use and cheap entry plan with commercial rights. Choose Voicegain if you value cloud, vpc or on-premises options and $50 free credit without a sales call.