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BrainDog vs fractal

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

BrainDog compared with fractal
DetailBrainDog logo BrainDog fractal
What it doesA workspace for projects, decisions and money that every agent reads and updates Long-term memory for AI agents that organizes itself and corrects itself
StageNot given MVP
FoundedNot given Not given
Based inNot given SE
Pricing modelFree Free
PricingNot given Personal: Free during early access. Unlimited memories, all agents with separate memories, no card required. Enterprise: On request, set up by the team for departmental organization with cross-department sharing and direct support.
Key features
  • Connect coding agents via MCP protocol (Claude Code, Cursor and others)
  • Centralized project tracking with decisions and money
  • Audit trail with every change signed and undoable
  • Approval controls for money, deletions and key access
  • Learning system that reduces approval requests after 10 similar actions
  • Team collaboration with email invitations and role-based access
  • Built-in Slash assistant with 20 questions per month on free plan
  • 1,000 automation runs per month on free plan
  • Full data export available anytime
  • Sealed backups every night with secure key storage
  • Self-correcting memory that updates when facts change
  • Historical memory queries with time-based retrieval
  • Automatic topic organization and hierarchy
  • Separate memory for each agent with controlled sharing
  • Multi-agent support via MCP, REST API, or LangGraph
  • AES-256 encryption at rest and in backups
  • OAuth 2.1 authentication and API key management
  • Data export and deletion capabilities
  • 37 MCP tools with automated verification on every code change
What makes it different
  • Works with any agent that speaks MCP protocol, not vendor-locked to one tool
  • Integrates work tracking and financial management in one place agents automatically read
  • Full audit trail and undo capability for every change
  • Learns from agent behavior to reduce approval overhead over time
  • Free tier includes all features with no credit card required
  • Understands what changed, when it was true, and where it belongs - beyond vector database similarity
  • Never contradicts itself by automatically replacing outdated facts
  • Fully GDPR aligned with built-in privacy by design
  • Two-minute integration with Claude, ChatGPT, Cursor and any MCP client
  • Data stays in Europe on AWS eu-north-1 and never used for model training
Free planNot given Not given
Open sourceNot given Not given
PlatformsNot given Not given
Public APINot given Not given
Community votes00
DR (Domain Rating by Ahrefs)12 +12 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

4 details filled in for both companies.

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