Experiments / Original Game Priors / Playable build
The only one that shipped a test API
Second-highest score at 6 of 10 and the most distinct identity in the set. GPT was the only system in the matrix that exposed a test API without being asked; the prompt never mentioned one.
- ModelGPT-5.6 via Codex, agent arm, run 1
- CellSparse / GPT-5.6
- ExperimentOriginal Game Priors
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What this build is evidence for
This artifact belongs to the Original Game Priors experiment. The experiment page records what the contract asked for, what the driver checked, and where the verdict stops.