Anthropic researcher's ultimate benchmark: can Opus 5.5 find a story he read once a decade ago?
tracewoodgrains · x · 2026-10-15
Anthropic researcher tracewoodgrains proposes an unusual model test: describing a sci-fi short story he read online around 2008-2013 (aliens catalog all possible stories; a protagonist argues his love isn't a standard 'QA-213 boy meets RT-415 girl' pattern) and seeing whether AI or humans can identify it — his 'white whale' of a decade-long search. A screenshot shows an agent already running on the task. He doesn't expect Opus 5.5 to pass, but keeps trying, Sisyphus-style.
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