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Based on 38 AI claims comparing the two
Reviewed by Dimitry Apollonsky
AI summary
The answers split between Diagrams.net and Microsoft Visio, with some answers choosing Microsoft Visio for detailed documentation and others pointing to Diagrams.net as a free alternative that stores files directly to GitHub or Google Drive.
Which brand does AI favour?Answers collected Mar 24 – Sep 12, 2026
#1 in Diagramming and Architecture Visualization Software · Mentioned in 60%
#4 in Process Mapping & BPM Software · Mentioned in 34%
Diagrams.net takes this axis because it costs nothing and provides a completely free, open-source alternative.
“Draw.io (diagrams.net): The best completely free, open-source alternative to Visio. It integrates directly with GitHub or Google Drive for storage privacy.”
Mentioned in, as a share of each topic’s answers
Level: Collaborative whiteboarding and DCIM for small server rooms
Diagrams.net alone is ranked in Free diagramming tool, Knowledge base diagram linking, Open source collaborative whiteboard, C4 model architecture visualization, .
ChatGPT Search selects Microsoft Visio as the stronger option for detailed professional documentation.
Google AI Mode favors Diagrams.net for being a free, open-source tool that works offline and saves directly to cloud or local storage.
These bars show which brand AI favours in claims citing each source.
Microsoft Visio alone is ranked in HRIS-synced automated organizational charts, Reporting and presentation software for consultants and User journey mapping.
These bars show which brand AI favours in claims citing each source.
These bars show which brand AI favours in claims citing each source.
These bars show which brand AI favours in claims citing each source.
These bars show which brand AI favours in claims citing each source.
These bars show which brand AI favours in claims citing each source.
These bars show which brand AI favours in claims citing each source.
These bars show which brand AI favours in claims citing each source.
