Protocols Understanding (Mythos 5.1 System Card): leaderboard

Benchling protocol understanding: extend online molecular biology protocols to additional directions. September 2026 evaluation removes external network access relative to the Opus 5 system card.

Metric: Score (%). Source: www-cdn.anthropic.com. Saturation forecast: Around February 2027. 6 models tracked.

Top models

#ModelScoreOverall rank
1Claude Opus 580#16
2Claude Mythos 5.177.2#2
3Claude Mythos 569.7#8
4GPT-5.6 Sol63.9#22
5Claude Sonnet 560.5#65
6Gemini 3.1 Pro (Preview)52.8#64

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

Interactive version: theaggregate.ai/benchmark?slug=protocols-understanding-mythos-5-1-system-card · How It Works · Data refreshed daily, snapshot 2026-11-05.