Graphwalks Parents 256k F1: leaderboard

Graphwalks parent-node long-context reasoning task reported at 256k context with F1 scoring.

Metric: F1 (system card). Source: openai.com. Source: benchmarklist.com. Saturation forecast: Around October 2027. 7 models tracked.

Top models

#ModelScoreOverall rank
1Claude Mythos 599.96#2
2Claude Mythos Preview99.9#4
3Claude Opus 4.899.3#37
4Claude Opus 4.695.4#63
5Claude Opus 4.793.6#49
6GPT-5.590.1#31
7GPT-5.482.8#79

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=graphwalks-parents-256k-f1 · How It Works · Data refreshed daily, snapshot 2026-10-20.