SpireClimb — Slay the Spire 1, Ascension 20 Heart
Games · 2026-10-14
The Slay the Spire 1 half of Epoch AI's SpireClimb: a win requires clearing all three Acts at Ascension 20, then unlocking Act 4 and defeating the Heart. Models play 15 fixed seeds on each of Ironclad, Silent, Defect and Watcher (60 single-attempt runs) with all content unlocked, through the SpireClimb computer-use harness. The score is the win rate.
Top models (higher is better)
| Model | Score |
|---|---|
| GPT-6.1 Sol | 20.0 |
| GPT-6 Astra | 16.7 |
| GPT-6 Sol | 1.7 |
| Claude Fable 5.1 | 0.0 |
| Claude Opus 5.5 | 0.0 |
| Claude Sonnet 5.5 | 0.0 |
| GPT-6 Luna | 0.0 |