Epoch AI - Spireclimb Sts1 A20 Heart: leaderboard

The Slay the Spire 1 track of Epoch AI's SpireClimb: win percentage across 60 seeded runs, with four characters at Ascension 20 and the Heart defeated. Models use a computer-use harness at maximum reasoning effort. Higher is better. Source: epoch.ai/benchmarks/spireclimb.

Metric: Score. Source: epoch.ai. Saturation forecast: Around 2029. 7 models tracked.

Top models

#ModelScoreOverall rank
1GPT-6.1 Sol (Max)20#8 (GPT-6.1 Sol)
2GPT-6 Astra (Max)16.67#5 (GPT-6 Astra)
3GPT-6 Sol (Max)1.67#14 (GPT-6 Sol)
4GPT-6 Luna (Max)0#52 (GPT-6 Luna)
5Claude Fable 5.1 (Max)0#9 (Claude Fable 5.1)
6Claude Opus 5.5 (Max)0#3 (Claude Opus 5.5)
7Claude Sonnet 5.5 (Max)0#10 (Claude Sonnet 5.5)

No result here: #7 Gemini 4 Argon.

Interactive version: theaggregate.ai/benchmark?slug=epoch-ai-spireclimb-sts1-a20-heart · How It Works · Data refreshed daily, snapshot 2026-10-16.