GPT-5 Mini
Nothing here. The model returned empty. We stared at it for a while.
GPT-5 Mini vs Claude Sonnet 4
Compare GPT-5 Mini by OpenAI against Claude Sonnet 4 by Anthropic, in 29 community votes, claude sonnet 4 wins 77% of head-to-head duels, tested across 31 shared challenges. Updated April 2026.
Which is better, GPT-5 Mini or Claude Sonnet 4?
Claude Sonnet 4 is the better choice overall, winning 77% of 29 blind community votes on Rival. GPT-5 Mini costs $0.25/M input tokens vs $3/M for Claude Sonnet 4. Compare their real outputs side by side below.
Key Differences Between GPT-5 Mini and Claude Sonnet 4
GPT-5 Mini is made by openai while Claude Sonnet 4 is from anthropic. On pricing, GPT-5 Mini costs $0.25/M input tokens vs $3/M for Claude Sonnet 4. In community voting, In 29 community votes, Claude Sonnet 4 wins 77% of head-to-head duels.
In 29 community votes, Claude Sonnet 4 wins 77% of head-to-head duels. GPT-5 Mini leads in Reasoning, while Claude Sonnet 4 leads in Web Design, Image Generation. Based on blind community voting from the Rival open dataset of 29+ human preference judgments for this pair.
Web Design: Claude Sonnet 4 wins 92% of votes
Image Generation: Claude Sonnet 4 wins 75% of votes
Reasoning: GPT-5 Mini wins 75% of votes
Our Verdict
Claude Sonnet 4Winner
GPT-5 MiniRunner-up
Pick Claude Sonnet 4. In 29 blind votes, Claude Sonnet 4 wins 77% of the time. That's not luck.
Pick GPT-5 Mini for Reasoning. Pick Claude Sonnet 4 for Web Design, Image Generation. GPT-5 Mini is 7.5x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
100%
Claude Sonnet 4 uses 503.7x more bold
GPT-5 Mini
Claude Sonnet 4
62%Vocabulary62%
21wSentence Length111w
0.16Hedging0.40
0.0Bold5.0
3.4Lists9.3
0.00Emoji0.88
0.00Headings2.16
0.05Transitions0.33
Based on 15 + 17 text responses
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