HOL Guard vs warm-rust

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 warm-rust
Detail	HOL Guard	warm-rust
What it does	Runtime security layer that stops risky AI actions before they execute	Hybrid search, graph indexing, and vector-symbolic memory for AI agents
Stage	Not given	Startup
Founded	Not given	2026
Based in	Not given	US
Pricing model	Freemium	Open source
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-	Open source under Apache-2.0 license. WARM Cloud is in development with usage-based pricing for sync, backup and verification; details to be published at launch.
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	Hybrid search combining BM25 lexical and vector scoring Vertex graph vector index with 2.29-2.75x throughput vs hnswlib Vector-symbolic fact memory with holographic reduced representations AES-256-GCM encryption at rest with Argon2id key derivation Signed audit log with Ed25519 and W3C DID identity Secure purge that overwrites deleted data with zeros Crash-safe append-only log with checksumming Native Rust API with Python HTTP client and Node.js bindings MCP server integration for editors and AI agents WARM Cloud sync, backup and verification without server access to keys or documents
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	Runs entirely locally in your process with no network calls or telemetry Encryption at rest built into the open-source engine itself, not an enterprise add-on Significantly faster vector search than hnswlib with graph-indexed vertex retrieval Signed provenance and verified audit trail using C2PA, COSE and SCITT standards Embedded library model eliminates dependency on external services or vendor lock-in
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	26 no change since last check
Trust Flow (Majestic)	27	12
Citation Flow (Majestic)	44	24
Referring domains (Majestic)	735	56

5 details filled in for both companies.

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