Simo vs M91
A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.
Simo compared with M91
| Detail | 
Simo | 
M91 |
|---|
| What it does | Typed, always-valid fields with calibrated checks and calibrated decisions, in milliseconds
| Human-in-the-loop approval for AI agents
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| Stage | Not given
| Not given
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| Founded | Not given
| Not given
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| Based in | Not given
| Not given
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| Pricing model | Paid
| Free
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| Pricing | $2 free credit per new account. Simo-1 Pro costs $0.03 per million input tokens, with output free.
| Free forever with all features included
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| Key features | - Calibrated probabilities
- Text, screenshot and video analysis
- Millisecond latency
- Agent security with Simo Guard
- Visual QA assertions
- Document and form reading
- Video event detection
| - Alerts on iPhone and Android with answer buttons
- Phone call escalation for high and critical alerts
- Breaks through silent mode and Do Not Disturb
- Attachments and notes on every alert
- Broadcast to a channel with one person taking ownership
- See who acted and who ignored alerts
- Answer buttons set by you or your AI
- Callback webhooks to return answers to your code
- Setup via pasted prompt or API key-free send link
- Integration with AI frameworks, automation platforms and HTTP API
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| What makes it different | - System 1.5 approach: one-pass reflex with calibrated probabilities and necessary deliberation
- Calibrated probabilities you can threshold
| - Full-volume alerts that interrupt even when phone is silenced
- No SDK, API key or card required to start
- Free forever with every feature for every team member
- Escalates to phone calls for critical alerts that go unanswered
- Works with existing AI agents, workflows and monitoring tools
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 10 ▲ +10 (up) since last check | 73 ● no change since last check |
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| Trust Flow (Majestic) | 4 | 1 |
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| Citation Flow (Majestic) | 20 | 1 |
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| Referring domains (Majestic) | 5 | 0 |
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5 details filled in for both companies.
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