Arui.AI is a sankey diagram generator that converts raw spreadsheets, CSV files, and typed node-and-flow descriptions into proportional Sankey diagrams with correctly weighted bands, labeled nodes, and stage grouping in roughly 5 seconds. Paste up to 1000 rows of source, target, and value columns, or describe a flow in plain words, and the online sankey diagram generator returns a presentation-ready chart you can recolor, relabel, and export.

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Describe your flow in words or paste structured data and receive a proportional Sankey diagram with auto-scaled bands, labeled nodes, and clean stage layout.
Provide up to 1000 rows of source, target, and value columns from a CSV or spreadsheet, and the sankey diagram generator delivers a fully rendered chart with proportional band widths and labeled nodes in approximately 5 seconds. Users replacing manual diagramming workflows report a 90 percent reduction in production time, dropping from 45 to 90 minutes down to roughly 5 seconds per diagram.
The sankey diagram from csv feature parses three-column structures — source, target, value — directly from comma-separated files, Google Sheets ranges, or Excel tables up to 1000 rows. Paste your data and the platform detects node names, aggregates duplicate flows, and assigns proportional band widths automatically, producing a complete diagram in about 5 seconds. Manual transcription of spreadsheet rows into a sankey diagram maker absorbs 35 to 60 minutes per 30-link chart.
The sankey diagram tool arranges up to 50 nodes connected by 120 weighted flows on a single canvas with collision-free spacing, grouping related nodes into stages by sequence or category. Each band scales between 2 and 80 pixels wide based on its share of total flow, eliminating the 30 to 55 minutes typically spent manually resizing bands in traditional sankey diagram software.
The ai sankey diagram generator calculates band widths proportionally from your value column, so a flow representing 40 percent of total volume renders at exactly 40 percent of the largest band height. Source-side and target-side bands stay aligned to node edges with sub-pixel precision, and the platform assigns a 12-color palette across flow categories by default. Producing comparable proportionality in conventional sankey visualization tool add-ons demands 25 to 50 minutes of manual calculation and recoloring.
Adjust labels, colors, and node order in the sankey diagram online editor and see the chart update in under 1 second per change. Drag nodes between stages, rename flows inline, or rebalance values, and the band widths recalculate instantly without re-running the full generation cycle. Traditional desktop sankey diagram creator applications typically require 4 to 12 seconds of recalculation per layout change on comparable 30-node diagrams.
Save your finished chart as a crisp PNG at resolutions up to 4096 by 4096 pixels, a vector SVG for scalable printing, a paginated PDF for reports, or a transparent-background image for slide overlays. The automatic sankey diagram generator preserves band proportions, node labels, and color mapping across every export format, removing the 8 to 15 minutes usually lost to post-export reformatting in older sankey diagram software.
How does AI-driven generation compare to SankeyMATIC, Tableau, Excel, or D3.js for proportional flow diagrams?
| Dimension | Arui.AI | Traditional Tools (SankeyMATIC / Tableau / Excel / D3.js) |
|---|---|---|
| Time to produce a 25-node chart | Approximately 5 seconds from CSV paste or typed flow description through final render | 45 to 90 minutes spent entering node pairs, tuning band widths, and aligning stages in SankeyMATIC or Tableau |
| CSV and spreadsheet import | Paste up to 1000 rows of source-target-value data and the generate sankey diagram feature parses nodes, aggregates duplicates, and assigns proportional bands automatically | Manual row-by-row entry in SankeyMATIC, or 2 to 4 hours of D3.js coding for a custom data loader |
| Band scaling accuracy | Sub-pixel proportional band widths derived directly from the value column, with source-side and target-side edges aligned to node boundaries | Manual width calculation in Excel or Tableau — typical first-pass error rate of 10 to 18 percent on proportional values |
| Learning curve | Zero training — describe your flow or paste CSV and press one button to create sankey diagram outputs | Requires familiarity with proportional flow notation plus 2 to 6 hours of platform tutorials before productive use |
| Handling 40-plus node diagrams | The best sankey diagram tool arranges up to 50 nodes with collision-free spacing in about 5 seconds | Complex manual layout — 60 to 110 minutes per large hierarchy with frequent repositioning in desktop sankey diagram software |
Time to produce a 25-node chart
CSV and spreadsheet import
Band scaling accuracy
Learning curve
Handling 40-plus node diagrams
Budget analysis, energy accounting, user journey mapping, and supply chain flow — scenarios where automated proportional chart creation saves hours.

Finance teams paste a three-column table — source account, destination cost center, dollar amount — into the sankey diagram generator and receive a proportional chart showing how total revenue of, for example, 4.2 million dollars splits across salaries, marketing, operations, and reserves in roughly 5 seconds. A typical 20-line budget renders in under 8 seconds total, compared to 45 to 75 minutes of manual drawing in Excel or Tableau.

Engineers enter rows like Power Plant, Grid, 850 or Steam Header, Process Line, 320 into the sankey diagram from csv importer and the platform renders bands scaled to kilowatt-hours, tons, or BTUs in about 5 seconds. Documenting a 15-stage energy balance with 30 to 50 flows through manual sankey chart generator workflows consumes 55 to 90 minutes per reporting cycle.

Product analysts drop in event-path data — Homepage, Search, Product Page, Add to Cart — and the sankey chart maker produces a weighted flow chart highlighting drop-off points and dominant navigation routes in about 5 seconds. Mapping a 12-step journey with 25 to 40 branch flows manually in conventional sankey diagram online tools absorbs 40 to 70 minutes per funnel snapshot.

Operations leads describe supplier, factory, product, and volume relationships in words or paste a sourcing spreadsheet, and the platform generates a sankey flow diagram tracing raw materials through manufacturing stages to finished goods in roughly 5 seconds. Visualizing a 20-supplier, 35-product network through manual drawing in desktop sankey diagram software takes 60 to 100 minutes per scenario.
Go from raw data or a written flow description to a finished proportional chart in three quick steps.
Enter your source, target, and value columns in plain text — anything from a single 5-link flow up to 1000 rows of CSV data. Alternatively, describe the system in words, such as Marketing budget splits into campaigns and channels. Richer detail in your input produces a more accurate sankey diagram on the first render.
The ai sankey diagram generator interprets your input, calculates proportional band widths, and places nodes into stages with collision-free routing in about 5 seconds. After the initial render you can make sankey diagram adjustments to node positions, color palettes, and label text without starting over.
Review the chart, drag nodes between stages or rename flows as needed, then save your diagram as PNG, SVG, PDF, or a transparent image. Copy the shareable link to send to colleagues or download the file for your report. The entire workflow lets you create sankey diagram online and export a finished deliverable in under 30 seconds.
faq.subtitle
Paste your CSV, describe your flow, and export a proportional Sankey chart in seconds.
Paste your CSV or describe your flow to create your first Sankey diagram.
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