GPT-4.1 Mini vs Claude Sonnet 4

Compare GPT-4.1 Mini by OpenAI against Claude Sonnet 4 by Anthropic, in 2 community votes, gpt-4.1 mini and claude sonnet 4 are closely matched, context windows of 1.0M vs 200K, tested across 34 shared challenges. Updated April 2026.

Which is better, GPT-4.1 Mini or Claude Sonnet 4?

GPT-4.1 Mini and Claude Sonnet 4 are closely matched based on 2 community votes. GPT-4.1 Mini costs $0.4/M input tokens vs $3/M for Claude Sonnet 4. Context windows: 1048K vs 200K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-4.1 Mini and Claude Sonnet 4

GPT-4.1 Mini is made by openai while Claude Sonnet 4 is from anthropic. GPT-4.1 Mini has a 1048K token context window compared to Claude Sonnet 4's 200K. On pricing, GPT-4.1 Mini costs $0.4/M input tokens vs $3/M for Claude Sonnet 4. In community voting, In 2 community votes, GPT-4.1 Mini and Claude Sonnet 4 are closely matched.

In 2 community votes, GPT-4.1 Mini and Claude Sonnet 4 are closely matched. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.

Our Verdict
GPT-4.1 Mini
GPT-4.1 MiniWinner
Claude Sonnet 4
Claude Sonnet 4Runner-up

Votes are tied. GPT-4.1 Mini has a 1.0M context window vs 200K — handles longer documents.

GPT-4.1 Mini is 9.4x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
100%

Claude Sonnet 4 uses 87.9x more emoji

GPT-4.1 Mini
Claude Sonnet 4
59%Vocabulary62%
19wSentence Length111w
0.46Hedging0.40
4.7Bold5.0
4.9Lists9.3
0.00Emoji0.88
0.76Headings2.16
0.17Transitions0.33
Based on 23 + 17 text responses
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GPT-4.1 MiniClaude Sonnet 4

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
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