Claude Opus 4.7 vs GPT-5.4 Mini
Compare Claude Opus 4.7 by Anthropic against GPT-5.4 Mini by OpenAI, context windows of 1.0M vs 400K, tested across 53 shared challenges.
Our Verdict
Claude Opus 4.7
GPT-5.4 MiniRunner-up
No community votes yet. On paper, Claude Opus 4.7 has the edge — bigger model tier, bigger context window.
GPT-5.4 Mini is 5.6x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.7
Input
$5.00
Output
$25.00
GPT-5.4 Mini
Input
$0.75
6.7× cheaper
Output
$4.50
5.6× cheaper
GPT-5.4 Mini is cheaper on both — 6.7× input, 5.6× output
Writing DNA
Style Comparison
Similarity
59%
Claude Opus 4.7 uses 86.2x more emoji
Claude Opus 4.7
GPT-5.4 Mini
64%Vocabulary54%
20wSentence Length20w
0.51Hedging0.72
4.6Bold6.0
3.8Lists8.3
0.86Emoji0.00
1.60Headings2.11
0.03Transitions0.04
Based on 27 + 23 text responses
Research
What we learned reading every model
FAQ
