100Q-Hard Net Score: leaderboard
Closed-book factuality benchmark reported by Anthropic as net score: correct responses minus incorrect responses, with abstentions scoring zero.
Metric: Net score (self-reported). Source: benchmarklist.com. Status: saturation imminent. 7 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Mythos 5 | 42 |
| 2 | Claude Mythos Preview | 34 |
| 3 | Claude Opus 4.7 | 24 |
| 4 | Claude Sonnet 4.6 | 20 |
| 5 | Claude Opus 4.8 | 20 |
| 6 | Claude Opus 4.6 | 19 |
| 7 | Claude Opus 4.5 | 8 |
Interactive version: theaggregate.ai/benchmark?slug=100q-hard-net-score · How It Works · Data refreshed daily, snapshot 2026-09-05.