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ArchGPT

Freemium#17 of 32 in AI Diagram Generators

ArchGPT: A low-cost web tool for generating and refining UML and cloud architecture diagrams. Ranked #17 of 32 in AI Diagram Generators by our editors (7.7/10); pricing: Free plan; best for affordable UML and cloud architecture diagrams.

7.7/10Editor score

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ArchGPT7.7 Visit ArchGPT

At a glance

Editor score
7.7 / 10
Pricing
Free plan
Best for
Affordable UML and cloud architecture diagrams
Free plan
Yes
Paid from
₹499/mo
Facts checked
20 Sep 2026

Where it wins
- Generates UML, C4, ER, sequence, flowchart, and architecture diagrams
- Built-in Draw.io editing plus PNG, JPEG, SVG, and PDF exports
- Supports AWS, GCP, and Azure architecture diagrams
Where it doesn't
- AI generation is limited by monthly credit quotas
- Free exports include watermarks and only PNG downloads
- Web-only access with limited saved diagrams on lower tiers

Our verdict on ArchGPT

ArchGPT is a browser-based AI diagram generator for developers, architects, engineering teams, students, and technical writers. Users describe systems, processes, databases, or cloud infrastructure in plain English, then receive UML, C4, ER, sequence, flowchart, architecture, and related diagrams. The product also includes AI prompt refinement, plain-English diagram explanations, unique-link sharing, and a built-in Draw.io editor for further changes. Its focus is practical technical visualization rather than general-purpose image creation.

The Free plan costs INR 0 forever and includes 20 credits every 30 days, 7-day history retention, 7 saved diagrams, PNG downloads, watermarked exports, and unlimited sharing. Basic costs INR 499 per 30 days and adds 150 credits, 15-day history retention, 15 saved diagrams, PNG and JPEG downloads, watermark-free exports, and DOCX and PDF export. Pro costs INR 1199 per 30 days, raising the allowance to 600 credits, extending history retention to 90 days, supporting 60 saved diagrams, adding SVG downloads, and including a priority queue. The credit-based structure makes plan selection important for regular generation.

ArchGPT fits teams and individuals who need editable technical diagrams, especially when cloud architecture coverage and low entry pricing matter. Draw.io editing supports post-generation refinement, while explanations and document exports can help communicate designs beyond the diagram itself. The main trade-offs are its web-only platform, limited saved-diagram capacity on Free and Basic, and watermarked Free exports. Buyers who need broader collaboration software, desktop access, or more predictable diagram volume should compare alternatives; those seeking affordable UML, infrastructure, and process diagrams with flexible export options should consider ArchGPT.

Your product? Our editors can test ArchGPT in depth and publish a review, labelled as paid · from $149/mo →

ArchGPT pricing

Plans Free planFreemium A usable free plan; paid tiers unlock the limits above. Prices checked 20 Sep 2026.

See plans on archgpt.in

All 3 ArchGPT plans and prices →

ArchGPT fact sheet

Free plan	Yes
Paid from	₹499/mo
AI diagram limit	Not verified
Mermaid support	Not verified
Real-time collaboration	Not verified
Diagram import	Not verified
Platform	Web
Export formats	PNG, JPEG, SVG, PDF
Deployment	Cloud
Platforms	Web
Support	Email, Docs
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Pricing	Free plan (source)
Website	archgpt.in
Facts checked	20 Sep 2026

Alternatives to ArchGPT

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used ArchGPT for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

ArchGPT is listed in our AI Diagram Generators directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update