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"Drawing" the Mona Lisa with GPT-5.6, Claude, Gemini, and Grok

What's this about?

A playful benchmark that makes top models "draw" images using colored pencils — by writing code that places strokes — instead of using an image generator, then compares how well each reconstructs targets like the Mona Lisa.

What exactly is it testing?

Spatial and visual planning without a built-in image model: the LLM has to reason about where colors and shapes go and express that as code. It probes whether a text/code model has an internal sense of composition — a very different skill from a diffusion model that paints pixels directly.

What's the community saying?

HN 143 points, 51 comments
  1. Enjoyment of it as a clever, low-stakes capability probe rather than a serious benchmark.
  2. Debate over how much is genuine visual reasoning versus the model recalling well-known images from training.
  3. Interest in the per-model differences as a window into how each reasons about geometry and color.
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