Shannon AI vs Clark Reads

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

Shannon AI compared with Clark Reads
Detail	Shannon AI	Clark Reads
What it does	Frontier Red Team Lab for LLM Safety	WhatsApp and iMessage chat analyzer that provides written reports with real quotes from your messages
Stage	Startup	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Free trial
Pricing	Free: $0 with 30,000 daily tokens; Plus: $5.99/month with 80,000 daily tokens; Standard: $19.99/month with 265,000 daily tokens; Pro: $49.99/month with 665,000 daily tokens. Cryptocurrency payment offers 2 months access for 1 month payment.	Free: opening and first half of chapter one. Full report: $9.90 one-time per report, no subscription.
Key features	DarkEval Benchmark - proprietary adversarial evaluation system with 96% exploit coverage Memory - context-aware conversations saving approximately 40% on token usage Web search capability across platform Transparent reasoning and chain-of-thought visibility Compliance mapping to NIST AI RMF, ISO/IEC 23894, and SOC 2 Tool calling and JSON output support Multiple open-weight frontier models available Enterprise-grade reporting and team analytics	Reads full conversation history in order Real quotes attached to every observation Supports WhatsApp .zip and .txt exports Supports plain-text iMessage files Media stripped before upload Handles up to 20k messages per report Reports available in multiple languages Automatic report delivery by email
What makes it different	Constraints-relaxed models uniquely capable of detecting vulnerabilities other filtered AI systems cannot Sandboxed environment ensuring all testing is isolated, logged, and auditable Purpose-built for professional red-teaming with enterprise compliance capabilities Free tier available with no credit card required for getting started	Data never used to train AI models One-time payment with no subscription required
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)	42 −1 (down) since last check	12 +2 (up) since last check
Trust Flow (Majestic)	19	5
Citation Flow (Majestic)	33	17
Referring domains (Majestic)	382	11

5 details filled in for both companies.

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