Claude Opus 4.7 vs GPT-5.5
Compare Claude Opus 4.7 by Anthropic against GPT-5.5 by OpenAI, in 23 community votes, claude opus 4.7 wins 53% of head-to-head duels, context windows of 1.0M vs 1.1M, tested across 54 shared challenges.
Image Generation: Claude Opus 4.7 wins 67% of votes
Reasoning: GPT-5.5 wins 60% of votes
Web Design: Claude Opus 4.7 wins 100% of votes
Analysis: GPT-5.5 wins 100% of votes
Our Verdict
Claude Opus 4.7Winner
GPT-5.5Runner-up
Claude Opus 4.7 has the edge overall. In 23 blind votes, Claude Opus 4.7 wins 53% of the time.
Pick Claude Opus 4.7 for Web Design, Image Generation. Pick GPT-5.5 for Analysis, Reasoning.
Slight edge
API pricing
Cost per 1M tokens
Claude Opus 4.7
Input
$5.00
Output
$25.00
1.2× cheaper
GPT-5.5
Input
$5.00
Output
$30.00
Writing DNA
Style Comparison
Similarity
51%
Claude Opus 4.7 uses 86.2x more emoji
Claude Opus 4.7
GPT-5.5
64%Vocabulary58%
20wSentence Length18w
0.51Hedging0.74
4.6Bold2.9
3.8Lists5.1
0.86Emoji0.00
1.60Headings1.68
0.03Transitions0.03
Based on 27 + 26 text responses
Research
What we learned reading every model
FAQ
