0

Grok 4.20

Grok 4.20 0309 v2 is an AI model from xAI.

Publisher
xAI
Family
Grok
Context
2M
Input
Output
Released
7 Apr 2026

Cite

Notes

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Attribution

Benchmark scores
AAprime-hub
Attribution policy →
Context
2M
Input
$1.25
/1M tok
Output
$2.50
/1M tok
Blended
$1.56
#378/ 461/1M · 3:1
Speed
0
#115/ 461tok/s
Cache read
$0.20
0.16x input

Price & speed via Artificial Analysis · ranked across tracked models · caching via OpenRouter

Reasoning effortIndexSpeed
Reasoning38.00 t/s
Non-reasoning22.20 t/s

Intelligence Index per reasoning-effort setting, via Artificial Analysis · pricing identical across tiers

Reported on 7 evals across 5 domains - best 85.3% on Infraresolutionbench · #2 of 35

Reported eval scores

7