Raw capability without a planning horizon: the failure is not reasoning but attention to what it stopped tracking.
Development
Frontier models flail at long-horizon strategy in a video game
Claim
The Tony Blair Institute's CivBench loosed frontier models on Civilization VI and watched them flail, with one agent nuking a French city to block a culture victory while losing on the diplomatic clock it had stopped watching.
Reporting date: (not necessarily the event date)
Sources
Attribution and reporting linked by this record; links do not imply independent verification.
- Welcome to June 22, 2026 (theinnermostloop.substack.com)
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