Claude Opus 5 spent 1.3 million tokens building a game in a 10-hour run

markjeffrey · x · 2026-07-27

A user says they followed Matt’s prompt, ran Claude Opus 5 for a little over ten hours, spent about 1.3 million tokens, and had it create the game.

The post is basically a showcase of a very large, very expensive model-driven game-building session, with a video and a playable link shared in the replies.

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