Grok 4.20
LatestxAI
•
Proprietary# 3
Released
Mar 31, 2026
# 1
Knowledge Cutoff
Sep 25
# 2
Context Length
2M
Benchmarks
# 11
Code Arena
1393
# 8
AgenticCode LiveBench
43.3%
# 10
HLE
32.0%
# 3
GPQA Diamond
91.0%
# 1
Text Arena
1486
# 8
Vending Bench 2
$4662.85
# 3
NYT Connections
90.3%
# 23
IF Evaluation
81.0%
# 2
MMMU Pro
75.0%
Pricing
# 30
Input Cost /M
$2
# 32
Output Cost /M
$6
# 12
Cached Cost /M
$0.2