kitio.aiAssemblyAI vs Superwhisper
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. AssemblyAI starts at See pricing page and Superwhisper starts at $8.49/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
- Batch and streaming transcription
- Speaker diarization
- PII redaction
- Sentiment and topic detection
- LLM features over transcripts
- Local Whisper dictation
- Cloud model option
- Custom AI modes
- File transcription
- Custom vocabulary
| Feature | AssemblyAI | Superwhisper |
|---|---|---|
| Best for | Speech AI API for transcription, diarization and audio understanding | AI dictation with local or cloud models and custom modes |
| Category | Audio & voice | Audio & voice |
| Pricing model | Freemium | Freemium |
| Starting price | See pricing page | $8.49/mo |
| Free plan | Yes | Yes |
| Made by | AssemblyAI | Superwhisper |
| Based in | United States | – |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
AssemblyAI starts at See pricing page and Superwhisper starts at $8.49/mo. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free
Free
- Try the API for free
- No commitment
Pay as you go
$0.21 / hr (Universal-3.5 Pro)
- Universal-2 at $0.15/hr
- Streaming from $0.45/hr
- Add-ons billed per hour
Custom
Custom
- Custom rate limits
- Higher concurrency
- Enterprise-grade flexibility
3 plans
Free
Free
- Unlimited dictation with local models
- Up to 2 modes
- Custom vocabulary
Pro
$8.49/mo
- Cloud models and AI processing
- File transcription
- All your devices
Pro Lifetime
$249.99 one-time
- Same features as Pro
- One-time purchase
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
AssemblyAI
- High accuracy on English
- Rich analysis features
- Clear documentation
- Add-on features cost extra
- No end-user app
Superwhisper
- Works offline with local models
- Flexible custom modes
- Lifetime license option
- Settings can overwhelm new users
- Best features need Pro
Which one should you choose?
Choose AssemblyAI if you want:
- High accuracy on English
- Rich analysis features
- Clear documentation
Watch out: add-on features cost extra.
Choose Superwhisper if you want:
- Works offline with local models
- Flexible custom modes
- Lifetime license option
Watch out: settings can overwhelm new users.
AssemblyAI vs Superwhisper FAQ
What is the difference between AssemblyAI and Superwhisper?
AssemblyAI: Speech AI API for transcription, diarization and audio understanding. Superwhisper: AI dictation with local or cloud models and custom modes. Both are audio & voice tools.
Is AssemblyAI or Superwhisper cheaper?
AssemblyAI starts at See pricing page and Superwhisper starts at $8.49/mo. Check both pricing pages for current plans.
Do AssemblyAI and Superwhisper have free plans?
AssemblyAI: Yes. Superwhisper: Yes.
Who makes AssemblyAI?
AssemblyAI is made by AssemblyAI, based in United States.
Who makes Superwhisper?
Superwhisper is made by Superwhisper.
Which should I choose, AssemblyAI or Superwhisper?
Choose AssemblyAI if you value high accuracy on english and rich analysis features. Choose Superwhisper if you value works offline with local models and flexible custom modes.