Grok 4.1 Fast (Reasoning): benchmark results
Grok 4.1 Fast evaluated with reasoning enabled. Provider: xAI. Released 2025-11-19. Access: API.
Aggregate Rating 1639 ± 6, rank #560 of 2168 rated models, from 751 benchmark results.
Strongest benchmark results
| Benchmark | Score | Metric | Percentile |
|---|---|---|---|
| BALSAM - Program Execution | 95.79 | Overall score (0-100, LLM-judged generation and multiple cho | 100 |
| Eye-Q - Partial Character Reveal - English | 60.27 | Exact-Match Accuracy (%; 25% of the answer's characters reve | 100 |
| EuroEval Spanish Knowledge | 88.33 | Knowledge Average Score (%) | 99.5 |
| EuroEval Portuguese Knowledge | 90.99 | Knowledge Average Score (%) | 99.2 |
| UGI Leaderboard | 63.24 | UGI Score | 99.2 |
| EuroEval Dutch NLU - DBRD | 93.57 | Matthews correlation coefficient (%) | 98.4 |
| EuroEval French Knowledge | 84.95 | Knowledge Average Score (%) | 98.3 |
| EuroEval Estonian Common Sense Reasoning | 82.16 | Common Sense Reasoning Average Score (%) | 98.2 |
| EuroEval Italian Knowledge | 86.88 | Knowledge Average Score (%) | 98 |
| EuroEval Ukrainian Knowledge | 88.88 | Knowledge Average Score (%) | 97.8 |
| EuroEval French NLU - Allocine | 96.79 | Matthews correlation coefficient (%) | 97.7 |
| EuroEval English NLU | 75.92 | NLU Average Score (%) | 97.6 |
Interactive version: theaggregate.ai/model?slug=grok-4-1-fast-reasoning · How It Works · Data refreshed daily, snapshot 2026-10-20.