fractal vs boxd

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 boxd
Detail	fractal	boxd
What it does	Long-term memory for AI agents that organizes itself and corrects itself	Composable computers for devs and agents
Stage	MVP	Not given
Founded	Not given	Not given
Based in	SE	NL
Pricing model	Free	Not given
Pricing	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.	Credit-based pricing: €0.039 per vCPU-hour (active only), €0.012 per GiB-hour for RAM (memory in use), €0.00008 per GiB-hour for disk (written space only). New accounts receive €30 in free credits. A typical 2 vCPU / 8 GiB machine costs approximately €0.03 per hour while running (with 10% vCPU activ
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	Hardware-isolated Linux VMs with persistent state between sessions Snapshots and checkpoints for machine state management Automatic hibernation after 4 hours idle, paying for disk only Pre-installed tools: Claude Code, Docker, Node, Python, Go, git, Chrome, ffmpeg, nginx Public HTTPS URL per machine with custom domain support Egress allowlist for network security and isolation CLI, API, Python and TypeScript SDKs for automation Integration with GitHub, Linear and Slack across all machines
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was true, and where it belongs - beyond vector database similarity Never contradicts itself by automatically replacing outdated facts Fully GDPR aligned with built-in privacy by design Two-minute integration with Claude, ChatGPT, Cursor and any MCP client Data stays in Europe on AWS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	Hardware-isolated real VMs instead of containers, with full kernel isolation Persistent machines remember running processes and state between disconnects Pay only for active resources used, not provisioned size Free self-hosting up to 16 vCPUs on your own infrastructure
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	44 no change since last check
Trust Flow (Majestic)	0	8
Citation Flow (Majestic)	0	37
Referring domains (Majestic)	0	151

5 details filled in for both companies.

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