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fractal vs LionBox

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 LionBox
Detail fractalLionBox logo LionBox
What it doesLong-term memory for AI agents that organizes itself and corrects itself Private AI for business in a plug-and-play box
StageMVP Established
FoundedNot given 2021
Based inSE RO
Pricing modelFree Paid
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. LionBox V1: €2,199 + VAT (Founders Edition, 7-13 December 2026) or €2,699 + VAT (standard price after launch). Includes software license and 6 months of LionBox+. LionBox+ renewal: €289 + VAT for 6 months or €389 + VAT for 12 months. Early advance purchase at launch: €202.30 + VAT (6 months) or €272
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
  • Local AI chat workspace in browser
  • Dedicated NVIDIA GPU with 32 GB RAM
  • Works offline without internet connection
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  • Never contradicts itself by automatically replacing outdated facts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
  • All data processing stays locally on office network, no cloud transmission
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 check2 no change since last check
Trust Flow (Majestic)00
Citation Flow (Majestic)00
Referring domains (Majestic)00

7 details filled in for both companies.

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