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Simo vs Excession Labs

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 Excession Labs
DetailSimo logo SimoExcession Labs logo Excession Labs
What it doesTyped, always-valid fields with calibrated checks and calibrated decisions, in milliseconds AI security agent and hosted model API for authorized testing
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelPaid Not given
Pricing$2 free credit per new account. Simo-1 Pro costs $0.03 per million input tokens, with output free. Starter $20/month with $30 credit; Pro $100/month with $175 credit; Max $200/month with $400 credit; Ultra $500/month with $1,250 credit. Pay as you go: add funds from $10 to $1,000, balance never expires. DeepSeek V4.1 Flash: $0.035 input, $0.005 cached input, $0.50 output per 1M tokens. DeepSeek V
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
  • Terminal AI agent with parallel workers
  • Per-tool allow, deny and ask rules
  • Evidence-linked findings with severity and remediation steps
  • OpenAI and Anthropic SDK-compatible API endpoints
  • Session save, resume, fork and export
  • Headless mode with JSONL output and exit codes for CI
  • Support for MCP servers, skills, AGENTS.md, slash commands and hooks
  • DeepSeek V4.1 Flash and abliterated variant models
  • Cross-platform support for macOS, Linux and Windows
  • Shared account balance between terminal agent and API
What makes it different
  • System 1.5 approach: one-pass reflex with calibrated probabilities and necessary deliberation
  • Calibrated probabilities you can threshold
  • Unified billing for both terminal agent and hosted API
  • API compatible with OpenAI and Anthropic SDKs
  • Evidence-based findings with source lines and reproduction steps
  • Terminal agent with configurable tool rules and headless CI mode
Community votes00
DR (Domain Rating by Ahrefs)10 +10 (up) since last check15 −1 (down) since last check
Trust Flow (Majestic)40
Citation Flow (Majestic)200
Referring domains (Majestic)50

4 details filled in for both companies.

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