18.1
Creately is a visual collaboration platform built around an infinite canvas for brainstorming, diagramming, planning, workshops, project management, and research.
Free planWebAPILinux
Best AI Diagram Generators in 2026
AI diagram generators can help translate ideas into visual diagrams, with different options for creating, importing, and sharing the result. Compare the AI diagram limit with diagram import and Mermaid support, then check export formats for the ways you may need to use diagrams elsewhere. Platform availability and real-time collaboration can also shape how a tool fits your workflow. Free-plan details and paid-from…
27.5
Eraser is a diagramming tool for technical teams that can create diagrams from prompts, code, files and private Git repositories.
Free planWebAPIExtension
37.4
OpenCharts is an AI workspace for creating and managing flowcharts, presentations, notes, code, video, and agents.
Free planWebAPImacOS
- 4
Capci
Capci turns short prompts or supplied data into diagrams, charts, social posts, and other visual content.
Free planWebAPISelf-hosted7.3From ₹375 a month - 5
AI Diagram Maker
AI Diagram Maker creates software architecture and workflow diagrams through a conversational interface.
Free planWebAPIExtension7.2From $10 a month - 6
7.2From $5 a month - 7
Nimbalyst
Nimbalyst is a visual workspace for working with Claude Code and Codex on files, sessions and tasks.
Free planiOSLinuxmacOSWindows7.0From $200 a year - 8
flow-chart.io
flow-chart.io turns plain-language descriptions, documents, or repository context into editable diagrams for software engineers, architects, and IT professionals.
Free planWebAPI6.8From $19 a month - 9
ArchitectureDiagram.ai
ArchitectureDiagram.ai generates architecture diagrams from natural-language descriptions, then lets users refine them through chat-based editing.
Free planWebAPI6.7From $4.99 a month - 10
Archway
Archway is a diagramming platform for software and system architecture, available on the web, through an API, and as a self-hosted deployment.
Free planWebAPISelf-hosted6.7From $12 a month - 11
Lucid Train
Lucid Train is a desktop coding harness that draws architecture diagrams from a codebase and gives the diagram to a coding agent as a specification.
Free planLinuxmacOSWindows6.7From $2.50 a month - 12
Mermaid Chart
Mermaid Chart turns plain-text Mermaid syntax into diagrams and updates the visual when the text changes.
Free planWebAPIExtension6.7From $12 a month - 136.7From $50 a year
- 14
AI Flowchart
AI Flowchart is a web tool that turns text, notes, standard operating procedures, sketches, or screenshots into editable flowcharts.
Free planWeb6.6From $9 a month - 15
ClearWork
ClearWork turns documents, recordings, transcripts, and other unstructured sources into editable process maps, flowcharts, and swimlane diagrams.
Free planWeb6.6From $200 a month - 16
Diagrams.so
Diagrams.so turns written descriptions into editable architecture diagrams in Draw.io format.
Free planWebAPI6.6Free plan - 17
Graphite
Graphite is a web-based AI tool for creating diagrams, charts, and infographics from natural-language prompts.
Free planWeb6.6From $8 a month - 18
OnUML
OnUML is an online UML editor and AI diagram generator for Mermaid, PlantUML, Draw.io, and mind maps.
Free planWebAPI6.6From $8 a month - 19
patchley
Patchley turns workshops, interviews, text, and uploaded process descriptions into flowcharts or BPMN 2.0 diagrams during process-capture sessions.
Free planWebAPI6.6From €15 a month - 20
Splotch
Free planWebExtension6.6From $132 a year - 21
sysdraw
sysdraw is a browser-based editor for system design and architecture diagrams, built around an infinite canvas.
Free planWeb6.6From $6 a month - 22
ArchGPT
ArchGPT is a web application that turns plain-English descriptions into diagrams users can edit, download, and share.
Free planWeb6.5From ₹499 a month - 23
LetDraw
LetDraw is a hand-drawn whiteboard for making diagrams that explain software and infrastructure.
Free planWebAPISelf-hosted6.5From $5 a month - 24
InfraSketch
InfraSketch is a browser-based tool for turning infrastructure-as-code into architecture diagrams.
Free planWebLinuxmacOSWindows6.3Free plan - 25
FlowChartAI
Web6.1