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BuildPlane vs M91

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

BuildPlane compared with M91
DetailBuildPlane logo BuildPlaneM91 logo M91
What it doesAI Agent that turns plain-English prompts into production-ready, editable AWS architecture diagrams Human-in-the-loop approval for AI agents
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Free
PricingFree: $0/month with 10 AI Agent actions per month, unlimited manual diagram editing, and watermarked exports. Pro: $29/month with 1,000 AI Agent actions per month and clean exports without watermark. Free forever with all features included
Key features
  • Generate AWS architecture diagrams from natural-language prompts
  • Edit diagrams on a visual canvas with containers, boundaries, and connectors
  • Validated, production-ready AWS architecture graphs
  • Save, load, and assess cloud architecture projects
  • AI Agent to refine, explain, and evolve architecture
  • Unlimited manual diagram editing on free plan
  • Full-quality diagram exports
  • Pre-generated diagram templates
  • Alerts on iPhone and Android with answer buttons
  • Phone call escalation for high and critical alerts
  • Breaks through silent mode and Do Not Disturb
  • Attachments and notes on every alert
  • Broadcast to a channel with one person taking ownership
  • See who acted and who ignored alerts
  • Answer buttons set by you or your AI
  • Callback webhooks to return answers to your code
  • Setup via pasted prompt or API key-free send link
  • Integration with AI frameworks, automation platforms and HTTP API
What makes it different
  • Turn plain English descriptions directly into production-ready AWS architecture diagrams without manual drawing
  • AI Agent assistance to refine and explain generated architectures
  • Validated AWS architecture that is production-ready
  • Unlimited manual editing and full-quality exports on free plan
  • Full-volume alerts that interrupt even when phone is silenced
  • No SDK, API key or card required to start
  • Free forever with every feature for every team member
  • Escalates to phone calls for critical alerts that go unanswered
  • Works with existing AI agents, workflows and monitoring tools
Community votes00
DR (Domain Rating by Ahrefs)11 +1 (up) since last check73 no change since last check
Trust Flow (Majestic)21
Citation Flow (Majestic)221
Referring domains (Majestic)200

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