Simon Chen

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By Simon Chen

AI systems are improving rapidly at Slay the Spire and its sequel
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Oct. 14, 2026
AI systems are improving rapidly at Slay the Spire and its sequel

Months ago, frontier models could barely beat Slay the Spire. Now they win 90%+ at the easiest setting and up to 20% at the hardest. Results from Epoch AI’s new SpireClimb benchmark.

By Benjamin Ou and Simon Chen