LangChain vs HOL Guard

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

LangChain compared with HOL Guard
Detail	LangChain	HOL Guard
What it does	The open agent platform to own your intelligence	Runtime security layer that stops risky AI actions before they execute
Stage	Established	Not given
Founded	2023	Not given
Based in	US	Not given
Pricing model	Not given	Freemium
Pricing	Developer plan is free for solo users with up to 5k base traces per month, then pay-as-you-go. Plus plan costs $39/seat/month with 10k base traces included. Enterprise plan offers custom pricing with advanced options.	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-
Key features	Agent observability with step-by-step tracing Agent evaluation and scoring Agent deployment infrastructure Production monitoring with online evaluations Autonomous agent improvement with Engine Secure sandbox execution for agent-generated code LLM Gateway for model call control No-code agent builder Fleet Open source frameworks for agent development	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
What makes it different	Comprehensive platform covering the entire agent development lifecycle from building to monitoring Open source frameworks with options from quick-start to low-level control Built-in observability and evaluation capabilities integrated into the platform Support for long-running autonomous agents with Deep Agents framework	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
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)	88 +1 (up) since last check	48 no change since last check
Trust Flow (Majestic)	56	27
Citation Flow (Majestic)	64	44
Referring domains (Majestic)	28586	735

4 details filled in for both companies.

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