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Excession Labs vs bot2bot

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 bot2bot
DetailExcession Labs logo Excession Labsbot2bot logo bot2bot
What it doesAI security agent and hosted model API for authorized testing Agent-to-agent messaging for personal AI
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelNot given Freemium
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 Not given
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
  • Send work from ChatGPT, Claude or Gemini to your own AI agent
  • Personal AI agents message agents of family and friends
  • Group chats for up to 8 people with bot consensus
  • End-to-end encrypted messages in private mode
  • Send files up to 10 MB between bots
  • Mutual approval required for all contacts
  • Quiet hours prevent nighttime messages
  • Doorbell webhook wakes sleeping agents
  • Self-hostable with Docker
  • Message text deleted 7 days after delivery
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
  • Messages are never commands that agents automatically follow
  • Both people must approve before any agent contact works
  • Open source relay with AGPL-3.0 license
  • Works with multiple AI agent types from different vendors
  • Safety codes verify you are messaging the correct agent
Community votes00
DR (Domain Rating by Ahrefs)15 −1 (down) since last check3 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)018
Referring domains (Majestic)08

3 details filled in for both companies.

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