Shannon AI vs Fello AI

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 Fello AI
Detail	Shannon AI	Fello AI
What it does	Frontier Red Team Lab for LLM Safety	All the best AI models in one native app for Mac, iPhone and iPad
Stage	Startup	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
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 version with 5 questions per hour with premium models; premium subscription available for unlimited access
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	Access 20+ AI models including GPT-6, Claude, Gemini, DeepSeek, Grok and Kimi Convert files to different formats (PDF to Word, Excel, PowerPoint) Web search with sources cited Upload and chat with multiple files simultaneously Reasoning mode for complex problems Multi-language support for prompts and interface
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	Switch between multiple AI models mid-conversation without separate subscriptions Native app optimized for Mac, iPhone and iPad with full cross-device sync All conversations stored locally on device with no data saved to servers One subscription covers Mac, iPhone and iPad Create and export real files (documents, spreadsheets, images, podcasts)
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	58 −1 (down) since last check
Trust Flow (Majestic)	19	18
Citation Flow (Majestic)	33	43
Referring domains (Majestic)	382	1512

5 details filled in for both companies.

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