GPT-4o mini
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GPT-4o mini vs Claude Sonnet 4.6
Compare GPT-4o mini by OpenAI against Claude Sonnet 4.6 by Anthropic, context windows of 128K vs 1.0M, tested across 37 shared challenges. Updated April 2026.
Which is better, GPT-4o mini or Claude Sonnet 4.6?
GPT-4o mini and Claude Sonnet 4.6 are both competitive models. GPT-4o mini costs $0.15/M input tokens vs $3/M for Claude Sonnet 4.6. Context windows: 128K vs 1000K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4o mini and Claude Sonnet 4.6
GPT-4o mini is made by openai while Claude Sonnet 4.6 is from anthropic. GPT-4o mini has a 128K token context window compared to Claude Sonnet 4.6's 1000K. On pricing, GPT-4o mini costs $0.15/M input tokens vs $3/M for Claude Sonnet 4.6.
Our Verdict
Claude Sonnet 4.6
GPT-4o miniRunner-up
No community votes yet. On paper, Claude Sonnet 4.6 has the edge — bigger model tier, newer, bigger context window.
GPT-4o mini is 25x cheaper per token — worth considering if cost matters.
Slight edge
Writing DNA
Style Comparison
Similarity
94%
Claude Sonnet 4.6 uses 19.1x more emoji
GPT-4o mini
Claude Sonnet 4.6
54%Vocabulary56%
18wSentence Length36w
0.84Hedging0.53
3.8Bold5.1
3.3Lists3.4
0.00Emoji0.19
1.03Headings2.10
0.23Transitions0.02
Based on 22 + 23 text responses
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