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Task brief
Create an interactive fall foliage simulator as a polished browser experience. Show a grove of trees whose leaves transition from green through gold, orange and red, then fall with believable wind and accumulate on the ground. Include season progression and wind controls, pause/reset, and a beautiful coherent composition. Deliver a working HTML artifact, not just an explanation. Source inspiration: https://x.com/claudeai/status/2104674987164782598 (Sonnet 5 vs Sonnet 5.5 fall foliage simulator; observed 687K views, 7.8K likes on 2026-10-01). This is an adapted reproduction brief based on the public post description, not the original verbatim prompt. The current comparison uses the models selected in Evals; do not claim to reproduce the original model versions.
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Create the Eiffel Tower and its surroundings in Paris as a detailed interactive 3D browser scene. Show recognizable lattice structure, all platforms, Champ de Mars paths and greenery, neighboring Parisian buildings, atmospheric lighting and orbit controls. Deliver a working browser artifact. Source: https://x.com/EnvolDev/status/2103535619603567054 (66K views observed 2026-10-01). Adapted recreation brief based on the public post, not a verbatim original prompt or replication of its model versions. Use the models selected in Evals.
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