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Monolithos vs Sumus

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

Monolithos compared with Sumus
Detail MonolithosSumus logo Sumus
What it doesPersonal Agent OS built from memory you own AI teammates for work and life, available 24/7
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingNot given Free: 1,000 credits per month, up to 3 members, up to 10 AI teammates, no credit card required. Plus: $24/month or $240/year, 3,600 credits per month, up to 25 members, up to 300 AI teammates, detailed usage reports, optional monthly credit add-ons. Extra credits: $20/month for 4,000 extra credits (
Key features
  • User-owned memory in Markdown and YAML
  • Eight modules: Memory, Flow, Black Hole, Minutes, Codex, Prism, Audio, Facet
  • Multi-step AI tasks with human approval checkpoints
  • Meeting transcription sealed into memory
  • Markdown-to-presentation generation with Prism
  • Audio generation from notes
  • Visual asset library with provenance tracking
  • Private domain boundaries to exclude content from cloud AI
  • Project mode to bind files and conversations into sealed context
  • Compatible with existing Obsidian vaults without migration
  • Multiple AI models in one chat (Claude, GPT-6, Grok, Gemini, DeepSeek)
  • AI teammates collaborate and divide work automatically
  • Shared conversations with people and AI agents
  • Integration with existing tools (Google Sheets, calendars)
  • Pre-built AI Employees for work roles
  • Cross-model review and verification
  • Works 24/7 in browser
  • Separate work and life spaces
  • Invite family, friends, and teammates to collaborate
  • No separate AI model subscriptions required
What makes it different
  • Memory and data remain on your device and under your ownership, never used for model training
  • Files stay readable as plain Markdown and YAML with any text editor; no vendor lock-in possible
  • Works with existing Obsidian vaults natively without import or conversion
  • Private-domain content stays out of cloud AI context automatically
  • AI recall includes sources so you can see what answers are based on
  • AI teammates work together in one chat to complete tasks instead of one-to-one AI responses
  • Access all major AI models (Claude, GPT, Grok, Gemini, DeepSeek) in one place without separate subscriptions
  • AI agents automatically divide work, assign tasks, and deliver finished results
  • Works with existing tools without moving data or creating new workspaces
  • Designed for both solo work and team collaboration with friends, family, or coworkers
Community votes00
DR (Domain Rating by Ahrefs)3 no change since last check30 +1 (up) since last check
Trust Flow (Majestic)91
Citation Flow (Majestic)2118
Referring domains (Majestic)2278

4 details filled in for both companies.

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