CONTRA LABS / Field Note
Where four AI models break when they build a landing page
Loading the complete research…
Related research
How model performance shifted across four website design evals
GPT 5.6 Sol led the first three evals and every loose brief. Once the work was staged across ideation, mockup, and refinement, the Claude models moved ahead.
Contra LabsRead article
Claude models lead landing page design, but no model wins every design stage
Six models built landing pages for three products across ideation, mockup, and refinement. Opus and Fable finished first and second overall, but a different model led each stage of the work.
Contra LabsRead article
What stands between Opus 5 and client-ready pages: layout and readability
Nine designers annotated 20 landing pages one at a time, 738 notes in all. On Opus 5's pages the notes clustered in layout and readability, while brand fit and originality drew the fewest flags in the set.
Contra LabsRead article