xAI
Grok 4 20
Released 2026-02-17 · Context 2000K · Data snapshot 2026-10-27
Overall score
42.5
Ranked #75Benchmark coverage
26.9%
7 third-party benchmarks
Context window
2000K
tokens
Input price
$1.25
Cache read $0.20
Output price
$2.50
per million tokens
OpenRouter usage
#140
25.7B tokens/day
Prices converted at snapshot-day rate (USD/CNY 6.6681)
Dimension performance
Office
42.6
Coding
42.5
Above averageBelow averageAnchored at 50 (reference models’ average); every 15 points ≈ one standard deviation
Benchmark details
Coding2 items
Terminal-Bench57.3
Vibe Code Benchreasoning4.06
Office4 items
Tax Eval v2reasoning74.12
Corporate Finance v2reasoning63.67
MedCodereasoning32.16
Legal Researchreasoning13.94
Knowledge1 items
MMLU-Proreasoning86.25
Multiple reasoning tiers of the same benchmark take the best value; raw scores have different scales and are not comparable across benchmarks.
Score trend
2026-10-262026-10-27
View daily data
| 2026-10-27 | 42.5 |
| 2026-10-26 | 43.4 |