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Codex, Opus, Gemini try to build Counter Strike

calendar_today November 26, 2025 person domain instantdb

In the last week we’ve had three major model updates: Gemini 3 Pro, Codex Max 5.1, Claude Opus 4.5. We thought we’d give them a challenge:

Build a basic version of Counter Strike. The game had to be a 3D UI and it had to be multiplayer.

If you're curious, pop open (an ideally large computer screen) and you can try out each model's handiwork yourself:

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