ChatGPT-4o (March 2025)
Nothing here. The model returned empty. We stared at it for a while.
ChatGPT-4o (March 2025) vs Claude Sonnet 3.6 (2022-10-22)
Compare ChatGPT-4o (March 2025) by OpenAI against Claude Sonnet 3.6 (2022-10-22) by Anthropic, context windows of 128K vs 200K, tested across 32 shared challenges. Updated April 2026.
Which is better, ChatGPT-4o (March 2025) or Claude Sonnet 3.6 (2022-10-22)?
ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22) are both competitive models. ChatGPT-4o (March 2025) costs $5/M input tokens vs $3/M for Claude Sonnet 3.6 (2022-10-22). Context windows: 128K vs 200K tokens. Compare their real outputs side by side below.
Key Differences Between ChatGPT-4o (March 2025) and Claude Sonnet 3.6 (2022-10-22)
ChatGPT-4o (March 2025) is made by openai while Claude Sonnet 3.6 (2022-10-22) is from anthropic. ChatGPT-4o (March 2025) has a 128K token context window compared to Claude Sonnet 3.6 (2022-10-22)'s 200K. On pricing, ChatGPT-4o (March 2025) costs $5/M input tokens vs $3/M for Claude Sonnet 3.6 (2022-10-22).
Our Verdict
ChatGPT-4o (March 2025)
Claude Sonnet 3.6 (2022-10-22)Runner-up
No community votes yet. On paper, ChatGPT-4o (March 2025) has the edge — bigger model tier, newer.
Too close to call
Writing DNA
Style Comparison
Similarity
100%
ChatGPT-4o (March 2025) uses 94.5x more emoji
ChatGPT-4o (March 2025)
Claude Sonnet 3.6 (2022-10-22)
55%Vocabulary66%
24wSentence Length74w
0.52Hedging0.72
3.3Bold0.3
6.0Lists8.9
0.94Emoji0.00
0.63Headings0.06
0.05Transitions0.09
Based on 15 + 21 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