One prompt, one SNES game: comparing ChatGPT, Sonnet, Opus and Muse side by side

SenorAudi · reddit · 2026-10-13

A Redditor gave the same single prompt to ChatGPT, Sonnet, Opus and Muse: build a playable SNES runner game called 'Bully' (a bull dodging barnyard obstacles, scoring per meter, 90 seconds, runnable in RetroArch and on real hardware). All models except Muse produced a playable game in one turn; he also notes Opus earlier built an N64 game for his kids almost autonomously. A video shows all four games running back to back.

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