kitio.aiAzure Speech vs Cartesia
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Azure Speech starts at See pricing page and Cartesia starts at $5/mo. 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
- Neural text to speech
- Real-time and batch transcription
- Speech translation
- Custom neural voice
- Container deployment
- Sonic streaming TTS
- Ink speech-to-text
- Instant voice cloning
- Emotion and speed controls
- Voice agent platform
| Feature | Azure Speech | Cartesia |
|---|---|---|
| Best for | Microsoft's speech-to-text, text-to-speech and translation APIs | Low-latency text-to-speech and speech-to-text models for voice apps |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $5/mo |
| Free plan | Yes | Yes |
| Made by | Microsoft | Cartesia |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Azure Speech starts at See pricing page and Cartesia starts at $5/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free (F0)
Free
- 5 audio hours of speech to text/month
- 0.5M characters of neural TTS/month
Speech to text
$1 / audio hour
- Standard real-time transcription
Neural text to speech
$15 / 1M characters
- Prebuilt neural voices
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
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
Azure Speech
- Broad feature set in one service
- Strong enterprise compliance
- Can run in containers
- Many services and names to navigate
- Custom voices need approval
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
Which one should you choose?
Choose Azure Speech if you want:
- Broad feature set in one service
- Strong enterprise compliance
- Can run in containers
Watch out: many services and names to navigate.
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.
Azure Speech vs Cartesia FAQ
What is the difference between Azure Speech and Cartesia?
Azure Speech: Microsoft's speech-to-text, text-to-speech and translation APIs. Cartesia: Low-latency text-to-speech and speech-to-text models for voice apps. Both are audio & voice tools.
Is Azure Speech or Cartesia cheaper?
Azure Speech starts at See pricing page and Cartesia starts at $5/mo. Check both pricing pages for current plans.
Do Azure Speech and Cartesia have free plans?
Azure Speech: Yes. Cartesia: Yes.
Who makes Azure Speech?
Azure Speech is made by Microsoft, based in United States.
Who makes Cartesia?
Cartesia is made by Cartesia, based in United States.
Which should I choose, Azure Speech or Cartesia?
Choose Azure Speech if you value broad feature set in one service and strong enterprise compliance. Choose Cartesia if you value very low latency for real-time use and cheap entry plan with commercial rights.