HOL Guard vs Living Brain

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

HOL Guard compared with Living Brain
Detail	HOL Guard	Living Brain
What it does	Runtime security layer that stops risky AI actions before they execute	A persistent and self-learning interoperable memory layer for AI agents and tools.
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free plan: Local Guard runtime with real-time approval prompts and local audit log. Solo $4.99/mo: adds 2 cloud-connected devices and 30-day cloud retention. Pro $15/mo: adds 5 cloud-connected devices, 180-day retention, and policy versioning. Team $30/seat/mo: up to 25 cloud-connected devices, 365-	Living Brain API: $8 per 1M input tokens and $0.50 per 1M output tokens, pay as you go with $5 minimum top-up and no monthly minimum. Living Brain Workspace: $99 per month (most popular), includes three team seats, $80 shared monthly credits for first three cycles then $50, managed Brains and agents
Key features	Surface-specific pre-action interception Policy routing with allow, observe, ask, and block outcomes Local review and evidence workflows MCP, skill, plugin, and package inspection Layered local and team policy Open source runtime under Apache-2.0 Offline local protection without cloud connectivity Continuous GitHub leaked-secret monitoring Decision audit trail and export Support for multiple AI coding agents	Semantic search and connection discovery Memory scoring and optimization REST API, SDK, CLI and MCP support Document extraction and storage Audio transcription Webhook subscriptions and integrations Slack and Telegram capture Scheduled briefs and page history Markdown export and structured output Multi-brain and team collaboration
What makes it different	Open-source core runtime runs locally without cloud requirement Protects against secrets, destructive commands, prompt injection, and supply chain attacks No source code or secrets uploaded; decisions stored as redacted summaries	22.6X fewer tokens per question and 95% lower cost per task vs full context baseline 0% hallucinations on LongMemEval-S evaluation Works across 60+ AI platforms via unified API
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)	53 +1 (up) since last check	12 +1 (up) since last check
Trust Flow (Majestic)	27	7
Citation Flow (Majestic)	44	18
Referring domains (Majestic)	735	3

5 details filled in for both companies.

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