Comparison
VoiceOS vs SuperWhisper
Both VoiceOS and SuperWhisper turn your voice into polished text. The difference? VoiceOS also turns your voice into actions. Send Slack messages, create calendar events, send emails, manage files, search the web. All by voice, without ever leaving your current app.
What they share
Both use AI to convert speech into clean, professional text. Filler words removed, grammar fixed. Both work in any text field on your computer, support 100+ languages, and offer custom vocabulary for better recognition.
Where VoiceOS pulls ahead
VoiceOS has Agent Mode, a voice-to-action system that goes way beyond text:
- Slack messages: Say "Reply to Sarah that I'll have it ready by 3pm" and it sends. No app switching.
- Emails via Gmail: "Email the team the proposal and ask for feedback." Done.
- Calendar events: "Schedule a meeting with design for Friday at 2pm." Booked.
- Notion, Drive, Docs, Sheets: Create pages, share files, update spreadsheets. All by voice.
- Web search: "What's the weather this weekend?" Get results and use them in follow-up actions.
- Chain it all together: "Check the weather, email Jake about surfing with the forecast, and create a calendar event." One command. Multiple actions.
What about SuperWhisper?
SuperWhisper offers a few things VoiceOS doesn't focus on:
- Offline transcription: Runs local AI models on your device. No internet needed. VoiceOS requires internet.
- Meeting recording: Record and transcribe meetings with automatic notes.
- File transcription: Transcribe uploaded audio and video files.
- Local AI models: Pick from cloud or on-device models for maximum privacy.
The real enemy: context switching
Dictation tools like SuperWhisper make you a faster typer. That's great. But you still have to switch apps to respond to a Slack message, send an email, or create a calendar event. VoiceOS removes that entirely. A Slack notification comes in while you're coding? Say "reply that I'll look into it after lunch" and it's sent. You never leave your editor. You never break your flow.
Side by side
| Feature | VoiceOS | SuperWhisper |
|---|---|---|
| Processing Speed | 300ms | Not specified |
| Accuracy | 98%+ with context | Not specified |
| Languages | 100+ with dialects | 100+ |
| Agent Mode (voice-to-action) | ✓ | ✗ |
| Multi-step action chaining | ✓ | ✗ |
| Web search from voice | ✓ | ✗ |
| Slack messages by voice | ✓ | ✗ |
| Gmail emails by voice | ✓ | ✗ |
| Google Calendar events | ✓ | ✗ |
| Notion pages by voice | ✓ | ✗ |
| Google Drive management | ✓ | ✗ |
| Dictionary Terms | Automatic + manual | Manual |
| Offline transcription | ✗ | ✓ |
| Local AI models | ✗ | ✓ |
| Meeting recording | ✗ | ✓ |
| File transcription | ✗ | ✓ |
| SOC 2 Type II | ✓ | ✓ |
| Team Features | Dictionary, knowledge base, billing | Billing, controls |
| macOS | ✓ | ✓ |
| Windows | ✓ | ✓ |
| iOS | Coming soon | ✓ |
VoiceOS or SuperWhisper?
Go with SuperWhisper if you only need dictation and specifically require offline mode or meeting recording.
Go with VoiceOS if typing faster isn't enough. If your day is spent bouncing between Slack, email, calendar, and docs, and you want to handle all of it by voice without leaving your current app, VoiceOS is built for exactly that.