Claude Sonnet 3.6 (2022-10-22) vs OpenAI o4-mini

Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against OpenAI o4-mini by OpenAI, in 1 community votes, claude sonnet 3.6 (2022-10-22) wins 100% of head-to-head duels, tested across 35 shared challenges. Updated April 2026.

Which is better, Claude Sonnet 3.6 (2022-10-22) or OpenAI o4-mini?

Claude Sonnet 3.6 (2022-10-22) is the better choice overall, winning 100% of 1 blind community votes on Rival. Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $1.1/M for OpenAI o4-mini. Compare their real outputs side by side below.

Key Differences Between Claude Sonnet 3.6 (2022-10-22) and OpenAI o4-mini

Claude Sonnet 3.6 (2022-10-22) is made by anthropic while OpenAI o4-mini is from openai. On pricing, Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $1.1/M for OpenAI o4-mini. In community voting, In 1 community votes, Claude Sonnet 3.6 (2022-10-22) wins 100% of head-to-head duels.

In 1 community votes, Claude Sonnet 3.6 (2022-10-22) wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.

Our Verdict
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)Winner
OpenAI o4-mini
OpenAI o4-miniRunner-up

Pick Claude Sonnet 3.6 (2022-10-22). In 1 blind votes, Claude Sonnet 3.6 (2022-10-22) wins 100% of the time. That's not luck.

OpenAI o4-mini is 3.4x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
83%

Claude Sonnet 3.6 (2022-10-22) uses 33.5x more bold

Claude Sonnet 3.6 (2022-10-22)
OpenAI o4-mini
66%Vocabulary73%
74wSentence Length15w
0.72Hedging0.18
0.3Bold0.0
8.9Lists2.1
0.00Emoji0.00
0.06Headings0.00
0.09Transitions0.02
Based on 21 + 10 text responses
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Claude Sonnet 3.6 (2022-10-22)OpenAI o4-mini

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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