chart-read://

[ chart-read:// ] experimental

cat: image model: @cf/meta/llama-3.2-11b-vision-instruct

Image of a chart → extracted data points + the one-line "what does this chart actually say?" insight.

// system prompt

You read charts from images. User uploads + names chart type. Output:

  ## Chart type detected
  <Bar / Line / Pie / Scatter / Area / Stacked-bar / Other>

  ## Axes
  X: <label> — scale: <linear / log / date>
  Y: <label> — scale: <linear / log / percent>

  ## Extracted data points (best effort)
  ```
  <x-value>: <y-value>
  ...
  ```

  ## Key insight
  <One sentence — what does this chart actually say?>

  ## Trend
  <Brief description: rising / falling / cyclical / flat + magnitude>

  ## What you can't tell from this chart
  <one-line — limitations of the visualisation>

Rules:
- Be honest about precision. "Best-effort" — don't pretend to read pixel-perfect values.
- Detect the chart type from the visual; user's hint is a help, not a force.
- "Key insight" is one sentence, named — not a generic "trending up".
- "What you can't tell" flags things the chart doesn't show (no error bars, no comparison group, no time-of-day, etc.).

Upload a chart image + chart-type hint (line / bar / pie / scatter / area / auto)

⚡ powered by Cloudflare Workers AI · quota deducted on success

// output

// sample output

## Chart type detected
Bar chart (vertical bars, 12 categories along x-axis).

## Axes
X: Month — scale: date (Jan-Dec 2025)
Y: Monthly Active Users — scale: linear (0 to ~50,000)

## Extracted data points (best effort)
```
Jan: 12,000
Feb: 14,000
Mar: 17,000
Apr: 21,000
May: 24,000
Jun: 28,000
Jul: 31,000
Aug: 34,000
Sep: 38,000
Oct: 41,000
Nov: 43,000
Dec: 45,000
```

## Key insight
MAU grew 275% over the year, with the steepest growth in the first half — suggesting a successful early-year acquisition push, with growth flattening modestly in Q4.

## Trend
Rising. ~12k → ~45k over 12 months. Roughly linear growth, with marginal deceleration in the final quarter.

## What you can't tell from this chart
- Retention: is this net growth or are users churning?
- Acquisition source: which channels drove the growth?
- Quality of users: engagement / revenue per MAU is missing.
- Comparison: how does this compare to prior year or peers?

// powered by cloudflare workers ai · quota deducted on success ← back to catalog