CoGym Alpaca Lab — Architecture Ladder
graded worlds L0→L5 · ox-alpha-free · PIT replay · net-of-cost PnL · HydraDB experience graph
HydraDB experience graph
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Leaderboard — net bps / decision after round-trip costs
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Latest net bps/dc per arm × world (click cell for run)
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Ladder position + latest-rung gate verdicts
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Cohort mean net bps/dc over time (oldest → newest)
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Research-process efficiency (are WE learning?)
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Calibration ablation (ECE raw → calibrated)
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Per-arm aggregates (live)
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