xAI Grok 4.6 Model Card - PartBench: leaderboard
Metric: Reward (%). Source: media.x.ai. 4 models tracked.
Top models
| # | Model | Score |
|---|---|---|
| 1 | Claude Fable 5 (Max) | 59.9 |
| 2 | GPT-5.6 Sol (xHigh) | 59 |
| 3 | Grok 4.6 (xHigh) | 58.5 |
| 4 | Claude Opus 5 (Max) | 52.4 |
Interactive version: theaggregate.ai/benchmark?slug=xai-grok-4-6-model-card-partbench · How It Works · Data refreshed daily, snapshot 2026-09-19.