Claude Opus 4.5 vs GPT-5.2
Compare Claude Opus 4.5 by Anthropic against GPT-5.2 by OpenAI, in 25 community votes, claude opus 4.5 wins 65% of head-to-head duels, tested across 53 shared challenges.
Web Design: Claude Opus 4.5 wins 69% of votes
Conversation: Claude Opus 4.5 wins 100% of votes
Reasoning: Claude Opus 4.5 and GPT-5.2 are tied
Image Generation: Claude Opus 4.5 and GPT-5.2 are tied
Analysis: GPT-5.2 wins 100% of votes
Our Verdict
Claude Opus 4.5Winner
GPT-5.2Runner-up
Pick Claude Opus 4.5. In 25 blind votes, Claude Opus 4.5 wins 65% of the time. That's not luck.
Pick Claude Opus 4.5 for Conversation, Web Design. Pick GPT-5.2 for Analysis.
Clear winner
API pricing
Cost per 1M tokens
Claude Opus 4.5
Input
—
Output
—
GPT-5.2
Input
$1.75
Output
$14.00
Writing DNA
Style Comparison
Similarity
53%
GPT-5.2 uses 5.9x more transitions
Claude Opus 4.5
GPT-5.2
64%Vocabulary64%
55wSentence Length16w
0.86Hedging0.34
5.8Bold9.4
4.5Lists3.9
0.15Emoji0.06
1.59Headings0.89
0.05Transitions0.31
Based on 24 + 15 text responses
Research
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