Claude Opus 4
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Claude Opus 4 vs GPT-5
Compare Claude Opus 4 by Anthropic against GPT-5 by OpenAI, in 57 community votes, claude opus 4 wins 60% of head-to-head duels, context windows of 200K vs 400K, tested across 33 shared challenges. Updated April 2026.
Which is better, Claude Opus 4 or GPT-5?
Claude Opus 4 is the better choice overall, winning 60% of 57 blind community votes on Rival. Claude Opus 4 costs $15/M input tokens vs $1.25/M for GPT-5. Context windows: 200K vs 400K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4 and GPT-5
Claude Opus 4 is made by anthropic while GPT-5 is from openai. Claude Opus 4 has a 200K token context window compared to GPT-5's 400K. On pricing, Claude Opus 4 costs $15/M input tokens vs $1.25/M for GPT-5. In community voting, In 57 community votes, Claude Opus 4 wins 60% of head-to-head duels.
In 57 community votes, Claude Opus 4 wins 60% of head-to-head duels. Claude Opus 4 leads in Web Design, Conversation, while GPT-5 leads in Image Generation, Reasoning. Based on blind community voting from the Rival open dataset of 57+ human preference judgments for this pair.
Web Design: Claude Opus 4 wins 77% of votes
Image Generation: GPT-5 wins 57% of votes
Reasoning: GPT-5 wins 60% of votes
Conversation: Claude Opus 4 wins 67% of votes
Our Verdict
Claude Opus 4Winner
GPT-5Runner-up
Pick Claude Opus 4. In 57 blind votes, Claude Opus 4 wins 60% of the time. That's not luck.
Pick Claude Opus 4 for Web Design, Conversation. Pick GPT-5 for Reasoning, Image Generation. GPT-5 is 7.5x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
91%
Claude Opus 4 uses 11.2x more emoji
Claude Opus 4
GPT-5
64%Vocabulary65%
62wSentence Length13w
0.52Hedging0.20
4.4Bold0.2
9.1Lists4.6
0.11Emoji0.00
1.87Headings0.16
0.27Transitions0.03
Based on 16 + 16 text responses
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