Epoch Had GPT-5.6 Sol Play Slay the Spire: Tactics, Not Computer Use, Is the Bottleneck

Jsevillamol · x · 2026-08-28

Epoch AI ran informal experiments testing GPT-5.6 Sol's computer use by having it play the roguelike card game Slay the Spire.

Verdict: computer use is not Sol's main limitation — the real weakness lies in tactics and strategy. It plays better than new human players but below expert level. The reposter noted the model blundered surprisingly often, yet still cleared many levels.

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