Viaduct vs Overmind

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 Overmind
Detail	Viaduct	Overmind
What it does	Free C4 modeling tool with an MCP server for software teams to share architecture context with AI development tools	The model training platform for AI teams
Stage	Not given	Not given
Founded	Not given	Not given
Based in	LT	Not given
Pricing model	Freemium	Freemium
Pricing	Browser: Free with account. Desktop: €10 a month after 7-day free trial, one licence covers 3 machines. Enterprise: custom pricing.	Free: $0/month with $50 in credits once, 1 seat per project, every feature, console, CLI and MCP server, community Discord support. Pro: $120/month with $120 in credits every month, unlimited seats, priority support. Enterprise: Custom pricing, contact for details.
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	OpenTelemetry agent tracing and trace import from Langfuse, LangSmith, Braintrust and Galileo Generated evals and Agent Optimizer runs that return scored code diffs Data Workshop with dataset preparation and quality checks Model training with recommended settings for LoRA or full fine-tuning Benchmarks against your current model on the same eval set Hosted OpenAI-compatible inference and downloadable model weights Console, CLI and MCP server access OpenAI-compatible API for trained models
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	Own your trained models with downloadable weights and checkpoints Zero third-party training with data never leaving your pipeline Open source and self-hostable with Docker Compose Built by security and defense intelligence pioneers
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 +1 (up) since last check	44 no change since last check
Trust Flow (Majestic)	10	10
Citation Flow (Majestic)	28	35
Referring domains (Majestic)	74	201

5 details filled in for both companies.

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