Compare
Mintlify vs Viaduct
Focuses on documentation generation, not C4 architecture modeling
MintlifyDeveloper documentation platform
ViaductViaduct is a free C4 modeling tool for software teams, with a hosted MCP server that feeds your…Which to pick
Pick Mintlify if you want…
- Self-updating AI-native docs
- Developer documentation platform
- Integrations with OAuth, JWT or SSO (on Mintlify's list, not Viaduct's)
Pick Viaduct if you want…
- C4 architecture modeling with AI integration
- Integrations with Cursor, Claude Code or Claude Desktop (on Viaduct's list, not Mintlify's)
Side by side
- What it is
- Mintlify:Mintlify is a developer documentation platform that auto-updates docs with AI and supports agent-native features.
- Viaduct:Viaduct is a free C4 modeling tool that lets software teams create, share, and sync architecture models with AI agents via a hosted MCP server.
- Best for
- Mintlify:Self-updating AI-native docs
- Viaduct:C4 architecture modeling with AI integration
- Who it’s for
- Mintlify:Product teams, developers, and enterprises building AI agents.
- Viaduct:Software teams that need collaborative architecture modeling and AI-assisted documentation.
- Pricing
- Mintlify:Freemium
- Viaduct:Freemium
- Plans
- Mintlify:Starter $0 · Pro $45 per month
- Viaduct:Browser (free) €0 · Desktop licence €10 per month
- Works with
- Mintlify:OAuth, JWT, SSO, API playground, Git sync
- Viaduct:Cursor, Claude Code, Claude Desktop, GitHub, GitLab, Google
Mintlify features
- Self-updating knowledge. AI keeps documentation current as code changes.
- Agent-native platform. Docs can be queried by AI agents via built-in assistant.
- Collaborative web editor. Team members edit docs together in a browser.
- Custom domain & SEO. Publish docs on your own domain with SEO optimizations.
- Authentication & SSO. Supports password, OAuth, JWT and enterprise SSO.
- Analytics & insights. Track usage, search, and agent interactions.
- Integrations & webhooks. Connect docs to external systems via APIs and webhooks.
- Automations & preview deployments. Automate updates and preview changes before publishing.
Viaduct features
- Full C4 modeling. Create system context, container, component and code diagrams in one editor.
- Hosted MCP server. Provides a machine-readable context for AI agents to read and write architecture data.
- Live collaboration. Team projects with change sets and real-time sharing.
- AI assistant. Generates missing descriptions, names, and reviews model elements for you.
- Desktop app. Native app with local MCP server, offline work and JSON file storage.
- Import/Export. Import OpenAPI specs and export models or contracts as JSON or OpenAPI.
Mintlify vs Viaduct FAQ
Is Mintlify or Viaduct free?+
Mintlify has a free plan (Starter); paid plans start at $45/month (Pro). Viaduct has a free plan (Browser (free)); paid plans start at €10/month (Desktop licence).
Which is cheaper, Mintlify or Viaduct?+
Mintlify starts at $45/month (Pro) and Viaduct starts at €10/month (Desktop licence); the plans are billed differently, so compare what's included.
Do Mintlify and Viaduct integrate with the same tools?+
Their integration lists don't overlap: Mintlify lists OAuth, JWT, SSO, API playground and 1 more; Viaduct lists Cursor, Claude Code, Claude Desktop, GitHub and 2 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.