Grok 4.6
by xAI · ID grok-4-6 · Released 2026-08 · Proprietary
1456
ELO Score
-
MMLU
-
HumanEval
500K
Context Window
$2.00
Input Price
About Grok 4.6
xAI's August 2026 flagship, built for long-running agents and coding. Watch the billing cliff: once a prompt reaches 200K tokens the whole request is charged at $4.00 input and $12.00 output per million, not just the tokens above the line. Prices checked 1 September 2026. Arena text score 1456 (grok-4.6-high, 15,521 votes), leaderboard of 13 September 2026.
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