Claude Opus 4.7 vs GPT-5.4
Compare Claude Opus 4.7 by Anthropic against GPT-5.4 by OpenAI, context windows of 1.0M vs 1.1M, tested across 53 shared challenges.
Our Verdict
Claude Opus 4.7
GPT-5.4
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
API pricing
Cost per 1M tokens
Claude Opus 4.7
Input
$5.00
Output
$25.00
GPT-5.4
Input
$2.50
2.0× cheaper
Output
$15.00
1.7× cheaper
GPT-5.4 is cheaper on both — 2.0× input, 1.7× output
Writing DNA
Style Comparison
Similarity
54%
Claude Opus 4.7 uses 86.2x more emoji
Claude Opus 4.7
GPT-5.4
64%Vocabulary54%
20wSentence Length28w
0.51Hedging0.69
4.6Bold4.1
3.8Lists8.1
0.86Emoji0.00
1.60Headings1.84
0.03Transitions0.02
Based on 27 + 22 text responses
Research
What we learned reading every model
FAQ
