Best Diagrams.so Alternatives in 2026
Updated
20 platforms from AI diagram generators ranked against Diagrams.so on the same published basis.
- 1Diagrams.so vs ArchitectureDiagram.ai
- 2Diagrams.so vs Archway
- 3Diagrams.so vs Creately
- 4Diagrams.so vs Eraser
- 5Diagrams.so vs OpenCharts
- 6Diagrams.so vs AI Diagram Maker
- 8Diagrams.so vs flow-chart.io
- 9Diagrams.so vs LetDraw
- 10Diagrams.so vs Mermaid Chart
- 11Diagrams.so vs yUML
- 12Diagrams.so vs Nimbalyst
- 13Diagrams.so vs sysdraw
- 14Diagrams.so vs InfraSketch
- 15Diagrams.so vs Lucid Train
- 16Diagrams.so vs OpenFlowKit
- 17Diagrams.so vs FlowChartAI
- 18Diagrams.so vs Splotch
- 19Diagrams.so vs AI Flowchart
- 20Diagrams.so vs Archflow
- 21Diagrams.so vs ArchGPT
Diagrams.so alternatives compared
| # | Platform | Score | Free plan | From | Runs on |
|---|---|---|---|---|---|
| 1 | ArchitectureDiagram.ai | 7.4 | Free plan | $4.99/mo | API, Web |
| 2 | Archway | 7.4 | Free plan | $12/mo | API, self-hosted, Web |
| 3 | Creately | 7.4 | Free plan | Free | API, Linux, Mac, self-hosted, Web, Windows |
| 4 | Eraser | 7.4 | Free plan | $15/mo | API, Browser, self-hosted, Web |
| 5 | OpenCharts | 7.4 | Free plan | $9.99/mo | API, Mac, Web, Windows |
| 6 | AI Diagram Maker | 7.3 | Free plan | $10/mo | API, Web |
| 8 | flow-chart.io | 7.3 | Free plan | $19/mo | API, Web |
| 9 | LetDraw | 7.3 | Free plan | $5/mo | API, self-hosted, Web |
| 10 | Mermaid Chart | 7.3 | Free plan | $12/mo | API, Browser, Web |
| 11 | yUML | 7.3 | Free plan | $4.17/mo | API, self-hosted, Web |
| 12 | Nimbalyst | 6.0 | Free plan | $16.67/mo | iOS, Linux, Mac, Windows |
| 13 | sysdraw | 6.0 | Free plan | $6/mo | Web |
| 14 | InfraSketch | 5.9 | Free plan | Free | Linux, Mac, Web, Windows |
| 15 | Lucid Train | 5.9 | Free plan | $2.50/mo | Linux, Mac, Windows |
| 16 | OpenFlowKit | 5.9 | Free plan | Free | Web |
| 17 | FlowChartAI | 5.4 | No | — | Web |
| 18 | Splotch | 5.1 | Free plan | $0.92/mo | Browser, Web |
| 19 | AI Flowchart | 5.0 | Free plan | $9/mo | Web |
| 20 | Archflow | 5.0 | No | — | Web |
| 21 | ArchGPT | 5.0 | No | — | Web |
Make your platform an alternative to Diagrams.so
See the priceThe sponsored alternative slot on this page is labelled Sponsored.
Questions about Diagrams.so alternatives
What is the best alternative to Diagrams.so?
ArchitectureDiagram.ai, number 1 in AI diagram generators with a score of 7.4 out of 10. The others here: Archway, Creately, Eraser and 16 more.
What is the best free alternative to Diagrams.so?
ArchitectureDiagram.ai is the best-ranked alternative with a free plan. 17 of the 20 alternatives here publish a free plan on their own pricing pages.
How are these alternatives ranked?
Ranked on what each maker publishes, open and connectable first: a public API, open-source code, the depth of its documentation and a free tier to try it on. Model lists are sorted by the figure in their title, exactly as each provider publishes it.