GPT-4.1 Mini vs xAI: Grok 4.5
Compare GPT-4.1 Mini by OpenAI against xAI: Grok 4.5 by xAI, context windows of 1.0M vs 500K, tested across 53 shared challenges.
Our Verdict
xAI: Grok 4.5
GPT-4.1 MiniRunner-up
No community votes yet. On paper, xAI: Grok 4.5 has the edge — bigger model tier, newer.
GPT-4.1 Mini is 3.8x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT-4.1 Mini
Input
$0.40
5.0× cheaper
Output
$1.60
3.8× cheaper
xAI: Grok 4.5
Input
$2.00
Output
$6.00
GPT-4.1 Mini is cheaper on both — 5.0× input, 3.8× output
Writing DNA
Style Comparison
Similarity
44%
xAI: Grok 4.5 uses 9.0x more emoji
GPT-4.1 Mini
xAI: Grok 4.5
59%Vocabulary61%
19wSentence Length16w
0.46Hedging0.23
4.7Bold2.5
4.9Lists2.4
0.00Emoji0.09
0.76Headings0.48
0.17Transitions0.06
Based on 23 + 27 text responses
Research
What we learned reading every model
FAQ
