Sankey Diagram Maker

How it works

Describe your flow

Name the sources, intermediate nodes, and destinations. Include volumes or proportions if you have them — or describe the relative distribution in plain language.

AI builds the diagram

MyMap generates a Sankey diagram with nodes on each side and proportional bands connecting them — thicker bands represent larger flows.

Edit and share

Adjust flow values, rename nodes, or add new pathways. Export as PNG for reports, dashboards, or presentations.

Built different

AI that doesn't just chat — it sees, creates, and streams on your canvas.

Context-aware AI

AI that sees your whole canvas

AI understands node positions, connections, and neighbors — not just raw text. Select a node and it knows what's nearby, what's linked, and how to build on it.

Qwen 3 (235B)

Gemini 3 Flash

GPT-5 mini

Claude Sonnet 4.6

DeepSeek R1

Kimi K2.5

DeepSeek V3.2

Multi-model

Your AI. Your model.

10 models, 7 providers. Switch between Qwen, GPT, Claude, Gemini, and DeepSeek — no lock-in, ever.

Mind maps

Flowcharts

Diagrams

Slides

Visual formats

Every format, one chat

Mind maps, flowcharts, diagrams, slides — all from a single conversation. No tool switching.

✨

“a futuristic cityscape, neon lights, golden hour”

Klein 4BFluxSchnell+2

AI images

Images, right on canvas

Generate images directly onto your canvas. 5 Flux models, any aspect ratio, placed instantly.

Real-time

Watch it think

Nodes stream in as AI generates. Edges draw live. No waiting — watch ideas take shape in real time.

Frequently asked questions

Is the Sankey diagram maker free?

Yes — free to use without signing up. Free accounts include a generous number of AI messages per month. Upgrade to Pro for unlimited diagrams.

What is a Sankey diagram best used for?

Energy or material flow analysis, budget and cost allocation, website traffic attribution, marketing channel performance, supply chain visualization, and any scenario where you want to show how a total quantity splits and flows through multiple paths.

How is a Sankey diagram different from a funnel chart?

Funnel charts show a single linear reduction from top to bottom. Sankey diagrams show multi-directional flows with splits and merges — volume can branch to multiple destinations or converge from multiple sources.