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fractal vs Levee

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

fractal compared with Levee
Detail fractalLevee logo Levee
What it doesLong-term memory for AI agents that organizes itself and corrects itself Authorization layer for AI agent spend with human-approved mandates and tamper-evident proof
StageMVP Startup
FoundedNot given 2026
Based inSE Not given
Pricing modelFree Free trial
PricingPersonal: 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. Free 12 week pilot for card issuing platforms
Key features
  • 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
  • Passkey-signed spend mandates with purpose, budget, merchants, and time windows
  • Real-time authorization decisions with sub-1 second response time at p99
  • Human challenge via passkey step-up for exceptional spend
  • Fail-closed payment processing if no decision arrives in time
  • Hash-chained evidence ledger with tamper-evident records
  • Exportable evidence packs for chargebacks and audits
  • Supports card, wallet, x402 and stablecoin payment rails
What makes it different
  • 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  • Never contradicts itself by automatically replacing outdated facts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
  • Human-approved mandates enforce intent, not just static limits or merchant category blocks
  • Operates outside the agent in the issuer's authorization path, preventing agent bypass or override
  • Creates tamper-evident audit trail linked to agent identity, run, and policy version
  • Never holds funds or issues cards; integrates with existing issuer infrastructure
  • Single mandate and policy core across multiple payment rails and issuers
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)Not checked yet no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

6 details filled in for both companies.

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