Simo vs Stacktrace
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 Stacktrace
| Detail | 
Simo | 
Stacktrace |
|---|
| What it does | Typed, always-valid fields with calibrated checks and calibrated decisions, in milliseconds
| Real-time steering and guardrails for AI agents
|
|---|
| Stage | Not given
| Not given
|
|---|
| Founded | Not given
| Not given
|
|---|
| Based in | Not given
| Not given
|
|---|
| Pricing model | Paid
| Freemium
|
|---|
| Pricing | $2 free credit per new account. Simo-1 Pro costs $0.03 per million input tokens, with output free.
| Team: Free per organization, unlimited users, 200 session-hours per month. Enterprise and Gateway: Custom pricing, billed annually.
|
|---|
| 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
| - Reads every tool call agents make and blocks unsafe ones before they run
- Catches stalled and runaway sessions while they run
- Steers agents back when they go past what was asked
- Tracks every session's tokens against usual usage
- Stops credential and data leaks before they leave the machine
- Inventories all agents, MCP servers and skills in use
- Blocks dangerous calls before they run in agent hooks and at the gateway
- Sends every finding to Slack, webhook or SIEM
- Verifies each agent's identity before access
- Keeps audit-grade masked records of every action and decision
|
|---|
| What makes it different | - System 1.5 approach: one-pass reflex with calibrated probabilities and necessary deliberation
- Calibrated probabilities you can threshold
| - Works with Claude Code, Codex, Cursor, Devin and more
- Runs on your machines, gateways and in the cloud
- Active steering corrects or stops drifting runs
- One policy applied across all MCP servers, plugins and skills
- Continuously monitors components for known vulnerabilities
|
|---|
| Community votes | 0 | 0 |
|---|
| DR (Domain Rating by Ahrefs) | 10 ▲ +10 (up) since last check | 3 ▲ +2 (up) since last check |
|---|
| Trust Flow (Majestic) | 4 | 13 |
|---|
| Citation Flow (Majestic) | 20 | 25 |
|---|
| Referring domains (Majestic) | 5 | 23 |
|---|
5 details filled in for both companies.
More alternatives to Simo More alternatives to Stacktrace