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Excession Labs vs REX

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Excession Labs compared with REX
DetailExcession Labs logo Excession LabsREX logo REX
What it doesAI security agent and hosted model API for authorized testing A coding agent that runs your whole Windows PC by voice or text
StageNot given Not given
FoundedNot given Not given
Based inNot given ES
Pricing modelNot given Free
PricingStarter $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 Free. Windows 10 or later, 64-bit.
Key features
  • 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
  • Verifies results before completion
  • Voice and text input
  • Runs on Windows 10 or later, 64-bit
  • Compatible with any AI model you choose
  • Multi-step task automation
  • Checks live results in real applications
What makes it different
  • 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
  • Operates the entire Windows desktop, not just the terminal
  • Verifies task completion by checking real application results
  • Completely free with no subscription required
  • Voice control for hands-free operation
  • Measured performance on public benchmarks
Community votes00
DR (Domain Rating by Ahrefs)15 −1 (down) since last check2 no change since last check
Trust Flow (Majestic)02
Citation Flow (Majestic)024
Referring domains (Majestic)015

4 details filled in for both companies.

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