Obscure board games as the best AGI eval: Fable far behind Opus 5

paul_cal · x · 2026-08-25

Grant Slatton argues obscure board games may be one of the single best measures of actual AGI, calling for more such evals — the nice property being a near-infinite backlog of obscure games with virtually no training data contamination.

Someone then ran the test: they built an online version of the strategic horse-betting dice game Long Shot: The Dice Game and benchmarked models at it — Fable performed much worse than Opus 5 under default rules.

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