CharXiv Reasoning (Anthropic No Tools) — leaderboard
Metric: Accuracy (%). Source: www-cdn.anthropic.com. 2 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Opus 4.7 | 81.3 |
| 2 | Claude Opus 4.8 | 80.5 |
Interactive version: theaggregate.ai/benchmark?slug=charxiv-reasoning-anthropic-no-tools · How the rankings work · Data refreshed daily, snapshot 2026-07-22.