Vanta vs PromptSign.ai

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

Vanta compared with PromptSign.ai
Detail	Vanta	PromptSign.ai
What it does	Automate compliance and build trust from a single, unified platform	Code signing for AI skills and agents
Stage	Established	Not given
Founded	2018	Not given
Based in	US	Not given
Pricing model	Not given	Not given
Pricing	Vanta offers tiered subscription plans with Essentials as entry-level, Plus for growing programs, Professional for comprehensive compliance and risk management, and Enterprise for fully customizable solutions. Specific pricing details require requesting a demo.	Not given
Key features	Automated compliance monitoring across 35+ frameworks AI-powered policy generation and management	Sign skills and agents with verified identity authentication Verify file integrity using SHA-256 fingerprints Offline verification without internet connection Public transparency log for accountability Revoke trust for compromised keys or bad actors Support GitHub, Google, Microsoft and company account authentication Command-line tool for integration with Claude and Codex hooks
What makes it different	24/7 AI-powered GRC engineering through the Vanta Agent Continuous monitoring instead of point-in-time checks Real-time evidence collection and automated audit readiness Deep AWS integration with 40+ AWS services AWS Security Competency Partner with certified expertise	Immutable transparency log that prevents silent key revocation Blocks unsigned or tampered instructions in Claude Code and Codex integration
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	Not checked yet no change since last check
Trust Flow (Majestic)	43	1
Citation Flow (Majestic)	56	19
Referring domains (Majestic)	9352	27

3 details filled in for both companies.

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