kitio.aiAzure Speech vs Whisper
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Whisper is completely free, while Azure Speech is freemium.
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
- Multilingual transcription
- Speech translation to English
- Several model sizes
- Command-line tool
- Python API
| Feature | Azure Speech | Whisper |
|---|---|---|
| Best for | Microsoft's speech-to-text, text-to-speech and translation APIs | OpenAI's open-source speech recognition and translation model |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | Microsoft | OpenAI |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Whisper is completely free, while Azure Speech is freemium.
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
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
Whisper
- Free under the MIT license
- Robust to accents and noise
- Huge ecosystem of tools
- No built-in speaker labels
- Large models need a GPU for speed
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 Whisper if you want:
- Free under the MIT license
- Robust to accents and noise
- Huge ecosystem of tools
Watch out: no built-in speaker labels.
Azure Speech vs Whisper FAQ
What is the difference between Azure Speech and Whisper?
Azure Speech: Microsoft's speech-to-text, text-to-speech and translation APIs. Whisper: OpenAI's open-source speech recognition and translation model. Both are audio & voice tools.
Is Azure Speech or Whisper cheaper?
Whisper is completely free, while Azure Speech is freemium.
Do Azure Speech and Whisper have free plans?
Azure Speech: Yes. Whisper: Yes, fully free.
Who makes Azure Speech?
Azure Speech is made by Microsoft, based in United States.
Who makes Whisper?
Whisper is made by OpenAI, based in United States.
Which should I choose, Azure Speech or Whisper?
Choose Azure Speech if you value broad feature set in one service and strong enterprise compliance. Choose Whisper if you value free under the mit license and robust to accents and noise.