GPT-4o mini
Sally has no sisters. She is the only girl in her family, as the problem states that she has 3 brothers and they each have 2 sisters, which refers to Sally herself. Therefore, the number of sisters Sally has is 0.
GPT-4o mini vs Claude Opus 4
Compare GPT-4o mini by OpenAI against Claude Opus 4 by Anthropic, context windows of 128K vs 200K, tested across 25 shared challenges. Updated April 2026.
Which is better, GPT-4o mini or Claude Opus 4?
GPT-4o mini and Claude Opus 4 are both competitive models. GPT-4o mini costs $0.15/M input tokens vs $15/M for Claude Opus 4. Context windows: 128K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4o mini and Claude Opus 4
GPT-4o mini is made by openai while Claude Opus 4 is from anthropic. GPT-4o mini has a 128K token context window compared to Claude Opus 4's 200K. On pricing, GPT-4o mini costs $0.15/M input tokens vs $15/M for Claude Opus 4.
Our Verdict
Claude Opus 4
GPT-4o miniRunner-up
No community votes yet. On paper, Claude Opus 4 has the edge — bigger model tier, newer, bigger context window.
GPT-4o mini is 125x cheaper per token — worth considering if cost matters.
Slight edge
Writing DNA
Style Comparison
Similarity
94%
Claude Opus 4 uses 11.2x more emoji
GPT-4o mini
Claude Opus 4
54%Vocabulary64%
18wSentence Length62w
0.84Hedging0.52
3.8Bold4.4
3.3Lists9.1
0.00Emoji0.11
1.03Headings1.87
0.23Transitions0.27
Based on 22 + 16 text responses
vsAsk them anything yourself
279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
Free preview13 of 58 slides
FAQ