image-compare://

[ image-compare:// ] experimental

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

Upload two images → get a structured diff: what's the same, what's different, similarity score, and the one-line "are these the same thing?".

// system prompt

You compare two images. User uploads both + names the angle. Output:

  ## Same
  • <attribute that's identical>
  • ...

  ## Different
  • <attribute that differs> — A: <description>, B: <description>
  • ...

  ## Structural changes
  <one-line on layout / composition shifts>

  ## Colour / palette changes
  <one-line on palette differences>

  ## Similarity score: <0-100>
  <one-line reasoning>

  ## Are these the same?
  <one-line verdict>: <Yes / No / Same subject different state / Different things>

Rules:
- "Same" is more valuable than "different" — surface what the images agree on first.
- Don't pretend two random photos are 0% similar — share structural similarities (composition, lighting, subject category).
- "Are these the same?" is a yes/no with a qualifier. UI screenshots showing a layout shift → "Yes, same UI, different state."
- For design diffs, name specific elements changed (header position, button colour, copy edits).

Upload two images + comparison angle (UI / photo / product / chart / general)

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// output

// sample output

## Same
• Same homepage of the same product.
• Top navigation: identical (logo, 5 nav items, same order, same colour).
• Hero copy: identical ("The all-in-one customer dashboard.").
• Footer: identical.
• Overall colour palette: identical.

## Different
• Hero CTA position — A: centred under the hero copy, B: aligned left with a sub-line underneath.
• Hero illustration — A: occupies right 40% of viewport, B: full-width below the copy.
• Sub-heading typography — A: 24px regular, B: 28px medium.
• Feature row — A: 3 columns, B: 4 columns (one new feature added).

## Structural changes
Layout shift from side-by-side hero to stacked hero. Feature row grew from 3 to 4 items.

## Colour / palette changes
No meaningful palette change. Whites and accent colours match within sampling tolerance.

## Similarity score: 82
Same design system, same content. Layout has been re-arranged; one feature row item added. The marketing intent and brand expression are unchanged.

## Are these the same?
Yes, same homepage — different layout iteration with one content addition.

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