Comparing 2 models

GPT-5.4 Mini vs Grok 4.5

Facts first, then task-specific rankings. A highlighted cell is better only for that row, not universally.

metric
Model 1GPT-5.4 Mini
Model 2Grok 4.5
Best for
Fast Summaries (#2)
Best Cheap LLM for High Volume (#1)
Provider
openai
x-ai
Context
400K
500KBest
Input / 1M
$0.75Best
$2
Output / 1M
$4.50Best
$6
Tool use
yesBest
yesBest
Vision
yesBest
yesBest
Reasoning
yesBest
yesBest
Open-weight
Released
Mar 17, 2026
Jul 8, 2026