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Create a visually engaging animated history of dinosaurs in under one minute using JavaScript. Cover their emergence in the Triassic, the Jurassic giants, Cretaceous diversity, and the end-Cretaceous extinction, with clear English labels, a timeline, recognizable moving dinosaurs and smooth scene transitions. Deliver a playable HTML artifact with play/pause and replay controls.
Source: https://x.com/claudeai/status/2104674993212702803 (273K views, 684 likes observed 2026-10-01). Adapted reproduction brief based on the public post; not the original verbatim prompt. Compare the current Evals-selected models, not the original model versions.EEvan Cha
Claude Opus 5.5No skill1 turn·1.2M tokens
Claude Opus 5.5No skill
Create a visually engaging animated history of dinosaurs in under one minute using JavaScript. Cover their emergence in the Triassic, the Jurassic giants, Cretaceous diversity, and the end-Cretaceous extinction, with clear English labels, a timeline, recognizable moving dinosaurs and smooth scene transitions. Deliver a playable HTML artifact with play/pause and replay controls.
Source: https://x.com/claudeai/status/2104674993212702803 (273K views, 684 likes observed 2026-10-01). Adapted reproduction brief based on the public post; not the original verbatim prompt. Compare the current Evals-selected models, not the original model versions.EEvan Cha
GPT-6 AstraNo skill1 turn·54.2K tokens
GPT-6 AstraNo skill