Sep 24, 2026 · Artificial Intelligence

Opus 5.5 Tested: One Prompt Yields 100 Pages, Animations, and Music

Anthropic's Claude Opus 5.5 demonstrates autonomous task execution by generating 100 diverse HTML pages from a single prompt, creates JavaScript animations and music, improves writing style by removing em dashes, scores 93.9% on PDF table parsing, but still misses core deliverables in time-boxed tests and shows UI errors despite passing automated checks.

AI code generationClaude Opus 5.5JavaScript animation

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Opus 5.5 Tested: One Prompt Yields 100 Pages, Animations, and Music