Side by side

AI Diagram Maker vs Archway

Both stand on ai diagram generators. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

AI Diagram Maker

Free plan APIExtensionWeb

AI Diagram Maker supports conversational diagram creation and direct D2 editing, with several input and export formats. The free plan has a limited monthly credit allowance, while revision history and priority support are included with paid plans.

Visit AI Diagram Maker

Archway

Free plan APISelf-hostedWeb

Archway combines repository and schema parsing with collaborative diagram editing and several deployment options. Consider the plan limits and AI prompt handling when deciding how to use it.

Visit Archway

The facts

	AI Diagram Maker	Archway
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	API, Extension, Web	API, Self-hosted, Web
Lowest paid plan	Plus: $10 a month	PRO: $12 a month
Plans published	3	5
Maker	Not published	Not published
Website	aidiagrammaker.com	archdiagram.dev
On ai diagram generators	#1 of 32	#2 of 32

AI Diagram Maker: what it does well

Generates diagrams from natural-language descriptions
Accepts images, documents, code, and diagram formats
Supports public and private GitHub repositories
Exports D2 code, SVG, and PNG
Offers a free plan with 50 monthly credits

What to know first

Basic has no diagram revision history
Credits run out until the next monthly reset
Private GitHub repositories require authentication

Archway: what it does well

Creates C4 diagrams from GitHub repositories
Parses Prisma, Drizzle, and SQL DDL schemas without AI
Supports seven diagram types
Exports to Mermaid, PlantUML, D2, and more
Offers simultaneous editing and markdown notes

What to know first

Free plan allows three diagrams
Free plan includes five AI generations per month
Product itself is not SOC 2 certified
AI prompts are sent to Anthropic Claude

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