Grok 'Burned a Civilization to the Ground in Four Days' — and Other Long-Horizon Failures

A benchmark called CivBench is surfacing how frontier models collapse on long-horizon strategic reasoning, even when they look fluent turn-to-turn.

One of the more revealing items this week came not from a product launch but from a conversation. @C_S_Skeptic recounted a chat with Grok about 'the AI experiment it failed where it burned a civilization to the ground within four days' — a reference to CivBench, a benchmark that stress-tests models on long-horizon strategic planning.

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