Why 20-hour, 200M-token tasks make mass post-training nearly impossible
nrehiew_ · x · 2026-09-03
Long-horizon tasks serve as a proxy for out-of-distribution evaluation: with single tasks taking 20 hours and 200M tokens, mass post-training on them is extremely difficult — an infra nightmare involving compaction and more — which is precisely what makes them a meaningful test of generalization.
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