IBM Watson Speech to Text vs Ermine.ai
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Ermine.ai is completely free, while IBM Watson Speech to Text is freemium.
IBM speech recognition API for transcription, captions and call analytics
FreemiumAt a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Real-time transcription
- Custom language models
- Speaker diarization
- Customer care models
- Hybrid and on-prem deployment
- In-browser speech recognition
- Microphone recording
- Audio and transcript download
- No account needed
| Feature | IBM Watson Speech to Text | Ermine.ai |
|---|---|---|
| Best for | IBM speech recognition API for transcription, captions and call analytics | Browser-based transcription that keeps your audio on your device |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Free |
| Starting price | See pricing page | Free |
| Free plan | Yes | Yes, fully free |
| Made by | IBM | Ermine.ai |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Ermine.ai is completely free, while IBM Watson Speech to Text is freemium.
Free plan
Cheapest paid plan
Top plan
Free trial
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
IBM Watson Speech to Text
- Can be tuned to your own vocabulary
- Runs on-premises or on any cloud
- Streams interim results for low latency
- Pricing is not shown on the product page
- Setup is developer-oriented
- Fewer consumer-friendly tools than rivals
Ermine.ai
- Audio never leaves your device
- Nothing to install or sign up for
- Fast after the first model load
- English only
- First load downloads a 50 MB model
- Live microphone input only, no file uploads
Which one should you choose?
Choose IBM Watson Speech to Text if you want:
- Can be tuned to your own vocabulary
- Runs on-premises or on any cloud
- Streams interim results for low latency
Watch out: pricing is not shown on the product page.
Choose Ermine.ai if you want:
- Audio never leaves your device
- Nothing to install or sign up for
- Fast after the first model load
Watch out: english only.
IBM Watson Speech to Text vs Ermine.ai FAQ
What is the difference between IBM Watson Speech to Text and Ermine.ai?
IBM Watson Speech to Text: IBM speech recognition API for transcription, captions and call analytics. Ermine.ai: Browser-based transcription that keeps your audio on your device. Both are audio & voice tools.
Is IBM Watson Speech to Text or Ermine.ai cheaper?
Ermine.ai is completely free, while IBM Watson Speech to Text is freemium.
Do IBM Watson Speech to Text and Ermine.ai have free plans?
IBM Watson Speech to Text: Yes. Ermine.ai: Yes, fully free.
Who makes IBM Watson Speech to Text?
IBM Watson Speech to Text is made by IBM, based in United States.
Who makes Ermine.ai?
Ermine.ai is made by Ermine.ai.
Which should I choose, IBM Watson Speech to Text or Ermine.ai?
Choose IBM Watson Speech to Text if you value can be tuned to your own vocabulary and runs on-premises or on any cloud. Choose Ermine.ai if you value audio never leaves your device and nothing to install or sign up for.