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Viaduct vs Deprecat

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

Viaduct compared with Deprecat
DetailViaduct logo ViaductDeprecat logo Deprecat
What it doesFree C4 modeling tool with an MCP server for software teams to share architecture context with AI development tools 24/7 watchdog for upstream API breaking changes
StageNot given Not given
FoundedNot given Not given
Based inLT Not given
Pricing modelFreemium Freemium
PricingBrowser: Free with account. Desktop: €10 a month after 7-day free trial, one licence covers 3 machines. Enterprise: custom pricing. Kitten Community: Free; Starter Cat: ₹2,499/month or $29/month; Panther Scale: ₹6,499/month or $79/month
Key features
  • System context, container, component, and code diagrams
  • Live collaboration on models
  • MCP server for AI coding agents
  • Change sets for scoped agent work
  • Organization SSO
  • JSON import and export
  • OpenAPI contract export
  • Desktop app for macOS, Windows, Linux
  • AI assistant for model descriptions
  • Installable PWA
  • Monitor 200+ APIs including Stripe, OpenAI, Anthropic, Twilio, AWS, Supabase, Shopify, and more
  • Hourly automated changelog monitoring
  • Real-time Slack and Discord alerts
  • AI-powered code diff extraction
  • GitHub Issues and PR automation
  • CLI deprecation scanner
  • Web Sentinel Incident Dashboard
  • Priority 15-minute crawl interval
  • Custom private API changelog monitoring
  • Aegis SSO Directory Sync and Team Roles
What makes it different
  • Model elements exist once and appear on every level they belong to
  • Endpoints are real OpenAPI documents, not diagram labels
  • Desktop app keeps all data local and offline-capable
  • Free browser version with no paywall or feature limits
  • AI agents read and write architecture through MCP
  • Suggested code migration diffs for each deprecation
  • 24/7 continuous monitoring across 200+ APIs
  • Predictable transparent pricing with no hidden costs
Community votes00
DR (Domain Rating by Ahrefs)3 +1 (up) since last checkNot checked yet no change since last check
Trust Flow (Majestic)100
Citation Flow (Majestic)280
Referring domains (Majestic)740

5 details filled in for both companies.

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