Editable artifacts may beat screenshots for testing agents' visual understanding
OliviaYii · reddit · 2026-09-30
- A research team ran a benchmark where coding agents had to reconstruct a scientific flow diagram as a PowerPoint slide using only native, editable objects.
- The key insight: the output format itself can reveal what an agent actually understood. A rendered image can look roughly correct while hiding structural mistakes — wrong connector targets, apparent-but-fake grouping, or pixel reproduction with no recovered structure.
- Editable artifacts make shortcuts harder: every box, label, connector, and layer becomes part of an inspectable object graph, recording how the agent decomposed the visual input.
- The idea could extend beyond slides: HTML instead of website screenshots, editable diagrams instead of flat images, CAD geometry instead of renders, formula and cell relationships instead of spreadsheet previews.
- Open questions: if an agent produces something that looks correct but has wrong underlying structure, has it solved the task? Which other agent tasks would benefit from requiring structured, editable outputs?
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