The short answer
Cheapest at 10 seats a month
$0/mo
Eraser, Free plan
- Lowest starting price
- $3 · Creately
- Free plans
- 17 of 20
- Prices published
- 17 of 20
- Sales-led only
- 0
AI diagram and whiteboard tools at a glance
Median starting price$10/moHalf start between $8 and $12
Free plan85%45% offer a time-limited trial
Buy online90%Sign up and pay without a sales call
Sales only0%Demo or contact sales to buy
How they charge
What you'd pay at 10 seats a month
- Eraser Free$0
- Whimsical Free$0
- Creately Advanced Atlas add-on (Pro or Business)$3
- AFFiNE Cloud Pro$6.75
- Lucidchart Individual$9
- Lucidspark Individual$9
- Conceptboard Starter€50
- Napkin AI Plus$90
- Mermaid Chart Plus$100
- Miro Starter$100
- Boardmix Starter$120
- ClickUp Whiteboards Core$120
- IcePanel Growth$500
Computed from each tool's published plans, allowances and overage rates.
Every AI diagram and whiteboard tool, side by side
| Tool | Starts at | Usage price | Free plan | How you buy | Checks | Checked |
|---|---|---|---|---|---|---|
 Eraser |
$42/mo yearly | – | Yes | Both | 7/8 | Oct 29, 2026 |
 Whimsical |
$10/mo yearly | – | Yes | Both | 5/8 | Oct 29, 2026 |
 Creately |
$3/mo | – | Yes | Both | 6/8 | Oct 29, 2026 |
 AFFiNE |
$6.75/mo yearly | – | Yes | Both | 5/8 | Oct 29, 2026 |
 Lucidchart |
$9/mo yearly | – | Yes | Both | 6/8 | Oct 29, 2026 |
 Lucidspark |
$9/mo yearly | – | Yes | Both | 5/8 | Oct 29, 2026 |
 Conceptboard |
€5/mo | – | Yes | Both | 4/8 | Oct 29, 2026 |
 Napkin AI |
$9/mo yearly | – | Yes | Both | 3/8 | Oct 29, 2026 |
 Mermaid Chart |
$10/mo yearly | – | Yes | Both | 6/8 | Oct 29, 2026 |
 Miro |
$8/mo yearly | – | Yes | Both | 8/8 | Oct 29, 2026 |
 Boardmix |
$5/mo yearly | – | Yes | Both | 5/8 | Oct 29, 2026 |
 ClickUp Whiteboards |
$9/mo yearly | $10/credit | Yes | Both | 5/8 | Oct 29, 2026 |
 IcePanel |
$40/mo yearly | – | Yes | Both | 3/8 | Oct 29, 2026 |
 FigJam |
$3/mo yearly | – | Yes | Both | 5/8 | Oct 29, 2026 |
 MockFlow |
$9/mo yearly | – | Yes | Both | 6/8 | Oct 29, 2026 |
 draw.io (diagrams.net) |
– | – | Yes | Self-serve | 3/8 | Oct 29, 2026 |
 Excalidraw |
– | – | Yes | Self-serve | 5/8 | Oct 29, 2026 |
 Microsoft Whiteboard |
– | – | – | – | 0/8 | Oct 29, 2026 |
 tldraw |
– | – | – | – | 1/8 | Oct 29, 2026 |
 Visio (Microsoft) |
– | – | – | Both | 2/8 | Oct 29, 2026 |
The tools
EraserEraser is an AI tool that generates architecture diagrams and design docs from text, code, files and cloud data.$42 /moWhimsicalWhimsical is an infinite-canvas whiteboard for diagrams, flowcharts, mind maps and wireframes, with AI generation and real-time collaboration.$10 /moCreatelyCreately is a visual workspace with six products for org charts, process maps, clinical genograms, cloud architecture, compliance and general diagrams and whiteboards.$3 /moAFFiNEOpen-source, local-first workspace that combines docs, whiteboards, databases and AI.$6.75 /moLucidchartLucidchart is a web-based diagramming tool with AI generation, real-time collaboration, templates and integrations, part of the Lucid Suite.$9 /moLucidsparkLucid offers Lucidchart for diagramming and Lucidspark for virtual whiteboarding, sold in free, paid and enterprise plans.$9 /moConceptboardOnline whiteboard with built-in task management for team collaboration, hosted in Germany.€5 /moNapkin AINapkin AI turns pasted or imported text into editable visuals such as diagrams, flowcharts, mind maps, infographics and data charts, and also builds slide decks.$9 /moMermaid ChartMermaid is a diagramming platform from the Mermaid.js team that builds diagrams from AI prompts, uploaded docs, Mermaid code, or a visual editor.$10 /moMiroMiro is an online collaborative whiteboard and diagramming workspace with AI features, templates, and integrations.$8 /moBoardmixBoardmix is an online collaborative whiteboard with AI drafting of mind maps, flowcharts and presentations.$5 /moClickUp WhiteboardsClickUp Whiteboards is an online whiteboard inside the ClickUp work platform, where shapes and flowcharts can be turned into tracked tasks and AI can generate diagrams.$9 /moIcePanelArchitecture diagramming workspace built on the C4 model, keeping one shared model of systems and flows.$40 /moFigJamFigJam is Figma's online whiteboard for brainstorming, diagramming and team meetings, with AI features for generating templates and sorting stickies.$3 /moMockFlowMockFlow is an online whiteboard and wireframing workspace with an AI agent called Mida that builds boards from a prompt.$9 /modraw.io (diagrams.net)Free diagramming tool that runs in the browser or as a desktop app, with storage in the user's own services.QuoteExcalidrawExcalidraw is an open-source online whiteboard and diagramming editor with a free no-account version and a paid Plus tier.QuoteMicrosoft WhiteboardThe supplied pages are general Microsoft corporate, download center and AI pages, with no diagram or whiteboard product described.Quotetldrawtldraw is a collaborative whiteboard that runs in the browser, with an SDK for developers to build with.QuoteVisio (Microsoft)Microsoft Visio is a diagramming app for flowcharts, network diagrams, org charts and floor plans, sold as web and desktop subscriptions.QuoteHow this list is made
Every price is read from the vendor's own pricing page on the date shown and tied to the line it came from. Tools are ordered by what they cost at a typical volume, then by starting price. No one pays to be listed or ranked.