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Head-to-head · AI Diagram Generators

Eraser vs Archway

  • Updated Oct 2026
  • Both researched from official sources
  • 4 checks side by side
Higher score Eraser #2 in AI Diagram Generators 9.3/10 Free plan Free plan✓ 1 of 3 features Visit Eraser
Archway #3 in AI Diagram Generators 9.2/10 Free plan Free plan✓ 2 of 3 features Visit Archway

Eraser leads on 0 checks, Archway on 1, and 3 are even. Who comes out ahead on the 4 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreEraser · 9.3/10
  • Lowest starting priceArchway · $12/mo
  • Free planboth
  • Most featuresArchway · 2 of 3

Eraser scores higher on our rubric for ai diagram generators: 9.3 against 9.2 out of 10; our editors rank them #2 and #3.

Archway is cheaper to start at $12/user/mo against $15/user/mo.

Eraser is the better fit for teams needing broad diagram workflows. Archway is the better fit for developers and architecture teams.

  • Eraser fits best

    Teams needing broad diagram workflows

  • Archway fits best

    Developers and architecture teams

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Eraser 9.3/10 Visit ↗ Archway 9.2/10 Visit ↗
At a glance
Editor score 9.3 9.2
Ranking #2 in AI Diagram Generators #3 in AI Diagram Generators
Best for Teams needing broad diagram workflows Developers and architecture teams
Pricing model Free plan + paid Free plan + paid
Starting price $15/user/mo $12/mo (best)
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Web Web
Support Community, Docs, Email Email, Docs
Compliance SOC 2, SSO/SAML SSO/SAML
Integrations 9 integrations 10 integrations
Built for Solo, Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Eraser 1/3 · Archway 2/3
Mermaid support Not checked yet ✓ (best)
Real-time collaboration ✓ ✓
Diagram import Not checked yet Not checked yet
Specs
AI diagram limit Not checked yet 50 /mo
Platform Not checked yet Web
Export formats PNG, SVG, PDF, PowerPoint, Google Slides, BPMN, Visio, draw.io, Markdown Mermaid, PlantUML, D2, Draw.io XML, SVG, PNG, PDF, Terraform HCL
Our review
Pros
  • Generates diagrams from prompts, images, files, and code
  • Supports imports, exports, collaboration, and version history
  • Connects with GitHub, Notion, Confluence, and VS Code
  • Generates seven diagram types from text, repositories, and schemas
  • Supports collaboration, version history, notes, embeds, and broad exports
  • Offers REST API access and a self-hosted Docker Compose option
Cons
  • Free plan is limited to 3 files and 3 AI diagrams
  • Starter limits version history to 90 days
  • SAML SSO is available on the Business plan
  • Free is limited to 5 AI generations per month and 3 diagrams
  • Free exports are limited to PNG and SVG
  • Team and Team Pro use per-user monthly pricing
Our verdict

Eraser is a collaborative diagramming and documentation tool for engineering and technical teams. It supports AI-generated workflows and diagram-as-code for flow charts, entity relationship diagrams, cloud architecture diagrams, sequence…

Read the review →

Archway is a web-based architecture diagramming platform for engineers, architects, and engineering teams. It generates cloud architecture, sequence, ERD, data-flow, flowchart, C4, and network diagrams from natural-language descriptions,…

Read the review →
  1. EraserAI Diagram Generators 9.3Free plan
  2. ArchwayAI Diagram Generators 9.2Free plan

Strengths and trade-offs

  • Eraser — where it wins

    • Generates diagrams from prompts, images, files, and code
    • Supports imports, exports, collaboration, and version history
    • Connects with GitHub, Notion, Confluence, and VS Code

    Where it doesn't

    • Free plan is limited to 3 files and 3 AI diagrams
    • Starter limits version history to 90 days
    • SAML SSO is available on the Business plan

  • Archway — where it wins

    • Generates seven diagram types from text, repositories, and schemas
    • Supports collaboration, version history, notes, embeds, and broad exports
    • Offers REST API access and a self-hosted Docker Compose option

    Where it doesn't

    • Free is limited to 5 AI generations per month and 3 diagrams
    • Free exports are limited to PNG and SVG
    • Team and Team Pro use per-user monthly pricing
  • Eraser9.3/10 · Free plan

    A broad diagram workspace combining AI, diagram-as-code, collaboration, and integrations.

    Visit EraserFull verdict →
  • Archway9.2/10 · Free plan

    A broad architecture diagram generator with AI input, collaboration, APIs, and self-hosting.

    Visit ArchwayFull verdict →

More comparisons

All AI diagram generators comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update