Head-to-head · AI Diagram Generators
Eraser vs Diagrams.so
Eraser leads on 0 checks, Diagrams.so on 1, and 4 are even. Who comes out ahead on the 5 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 priceDiagrams.so · $10/mo
- Free planboth
Eraser scores higher on our rubric for ai diagram generators: 9.3 against 8.6 out of 10; our editors rank them #2 and #8.
Diagrams.so is cheaper to start at $10/user/mo against $15/user/mo.
Eraser is the better fit for teams needing broad diagram workflows. Diagrams.so is the better fit for draw.io architecture diagram users.
- Eraser fits best
Teams needing broad diagram workflows
- Diagrams.so fits best
Draw.io architecture diagram users
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Side by side
| Feature | Eraser 9.3/10 Visit ↗ | Diagrams.so 8.6/10 Visit ↗ |
|---|---|---|
| At a glance | ||
| Editor score | 9.3 | 8.6 |
| Ranking | #2 in AI Diagram Generators | #8 in AI Diagram Generators |
| Best for | Teams needing broad diagram workflows | Draw.io architecture diagram users |
| Pricing model | Free plan + paid | Free plan + paid |
| Starting price | $15/user/mo | $10/mo (best) |
| Free plan | ✓ | ✓ |
| Free trial | — | — |
| Deployment | Cloud, Self-hosted | Cloud, Browser extension |
| Platforms | Web | Web |
| Support | Community, Docs, Email | Email, Docs |
| Built for | Solo, Small business, Mid-market, Enterprise | Solo, Small business, Mid-market |
| Features Eraser 1/3 · Diagrams.so 1/3 | ||
| Mermaid support | Not checked yet | — |
| Real-time collaboration | ✓ (best) | Not checked yet |
| Diagram import | Not checked yet | ✓ (best) |
| Specs | ||
| AI diagram limit | Not checked yet | Not checked yet |
| Platform | Not checked yet | Web |
| Export formats | PNG, SVG, PDF, PowerPoint, Google Slides, BPMN, Visio, draw.io, Markdown | .drawio, PNG, SVG, PDF, JPG |
| Our review | ||
| Pros |
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| Cons |
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| 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 → |
Diagrams.so is a browser-based AI diagram generator for architects, DevOps engineers, technical founders, and engineering teams. It turns natural-language descriptions into editable Draw.io diagrams and supports AWS, Azure, GCP, and… Read the review → |
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
Diagrams.so — where it wins
- Generates editable Draw.io diagrams from natural-language descriptions
- Includes architecture warnings, validation, and version history
- Offers REST API, MCP server, and Python and TypeScript SDKs
Where it doesn't
- Free exports are watermarked
- Free plan requires a BYO LLM key
- Does not support Mermaid
- Eraser9.3/10 · Free plan
A broad diagram workspace combining AI, diagram-as-code, collaboration, and integrations.
Visit EraserFull verdict → - Diagrams.so8.6/10 · Free plan
A Draw.io-focused AI diagram generator with validation, imports, exports, and developer access.
Visit Diagrams.soFull verdict →
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- Eraser vs Mermaid Chart
- Archway vs Diagrams.so
All AI diagram generators comparisons → · Full ranking →
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Last updated · How we research and update







