Shannon AI vs Unium™

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 Unium™
Detail	Shannon AI	Unium™
What it does	Frontier Red Team Lab for LLM Safety	Shared AI chat for couples, friends and family
Stage	Startup	Not given
Founded	Not given	Not given
Based in	Not given	GB
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 for 2 days (includes Balanced model, memory, voice notes and images, up to 5 people, no card needed). Together $10/month with balanced model, memory, voice notes, image generation, and extended model choice. Together Plus $20/month includes up to 2.2× the usage of Together. Household $40/month
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	Shared chats where multiple people can join the same conversation Switch between AI models without losing context Memory across chats Voice notes and image generation Private chats alongside shared ones Web search integration Add up to 10 people to one subscription Available on iPhone, Android and web Access to multiple AI models including GPT-6 and Claude Opus 5.5 No data training on user conversations
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	Multiple people in one chat instead of separate conversations One subscription covers everyone on the account with no additional charges Switch AI models without losing memory or context AI facilitates discussion by asking both perspectives before suggesting compromises Chats are shared by default but can be made private
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	20 +3 (up) since last check
Trust Flow (Majestic)	19	0
Citation Flow (Majestic)	33	9
Referring domains (Majestic)	382	2

5 details filled in for both companies.

More alternatives to Shannon AI More alternatives to Unium™