SpeakCode vs Viaduct

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

SpeakCode compared with Viaduct
Detail	SpeakCode	Viaduct
What it does	Orchestrate AI coding agents across an infinite canvas of terminals	Free C4 modeling tool with an MCP server for software teams to share architecture context with AI development tools
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	LT
Pricing model	Paid	Freemium
Pricing	Monthly: $20 USD, Yearly: $200 USD	Browser: Free with account. Desktop: €10 a month after 7-day free trial, one licence covers 3 machines. Enterprise: custom pricing.
Key features	Orchestrate multiple AI coding agents in parallel Infinite canvas for terminal management Support for Claude, GPT, and Gemini models macOS native application Requires macOS 14 or later	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
What makes it different	Orchestrate multiple agents in parallel instead of managing one at a time Infinite canvas interface for visual agent management	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
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	20 no change since last check
Trust Flow (Majestic)	0	10
Citation Flow (Majestic)	2	28
Referring domains (Majestic)	1	74

5 details filled in for both companies.

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