Grok 4.20
by xAI · ID grok-4-20 · Released 2026-05 · Proprietary
1475
ELO Score
-
MMLU
-
HumanEval
256K
Context Window
$3.00
Input Price
About Grok 4.20
xAI's latest model with improved reasoning and coding capabilities. Arena text score 1475 (grok-4.20-beta1, 26,599 votes), leaderboard of 13 September 2026.
Not sure where to find it? Search query: "Grok 4.20 official"