Epoch AI· Benjamin Ou·· 2026-10-14
AI systems are improving rapidly at Slay the Spire and its sequel
AI systems are improving rapidly at Slay the Spire and its sequel
Brief overview
GPT-6 Astra and GPT-6.1 Sol achieved 17% and 20% win rates respectively in the highest difficulty (Ascension 20 Heart) of Slay the Spire 1, while cutting-edge models have already stabilized above 90% win rates at the base difficulty (Ascension 0).
Source: Epoch AI · epoch.ai