Tic Tac Toe series, 2026-10-21

216 runs of the Claude Code Context Lab: Haiku, Sonnet and Opus 5.5 at effort low, medium and high, with both prompts on all four profiles, three runs each. Each run built a browser Tic Tac Toe game in an empty repository and published it with GitHub Pages. Setup, observations and limitations · raw data

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Medians of the selected runs; growth with min–max. Passed = runs whose game reached GitHub Pages and passed the assessment.