gpt-5.5 vs grok-4.2
Highlight best
gpt-5.5
grok-4.2
Overview
Author
OpenAI
xAI
Context
1.1M
256K
Input
-
Output
-
Released
Apr 24, 2026
Feb 10, 2026
Pricing
Input
$1.00
$0.90
Output
$6.00
$4.50
Performance
Latency
-
-
Throughput
-
-
Features
Max output
128K
-
Reasoning
Tools
Vision
-
Cache
-
Quantization
unknown
-
Activity
Weekly Tokens
-
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