Claude Sonnet 3.6 (2022-10-22) vs o1

Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against o1 by OpenAI, in 4 community votes, o1 wins 75% of head-to-head duels, context windows of 200K vs 128K, tested across 54 shared challenges. Updated April 2026.

Which is better, Claude Sonnet 3.6 (2022-10-22) or o1?

o1 is the better choice overall, winning 75% of 4 blind community votes on Rival. Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $15/M for o1. Context windows: 200K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Sonnet 3.6 (2022-10-22) and o1

Claude Sonnet 3.6 (2022-10-22) is made by anthropic while o1 is from openai. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window compared to o1's 128K. On pricing, Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $15/M for o1. In community voting, In 4 community votes, o1 wins 75% of head-to-head duels.

In 4 community votes, o1 wins 75% of head-to-head duels. o1 leads in Conversation. Based on blind community voting from the Rival open dataset of 4+ human preference judgments for this pair.

Conversation: o1 wins 100% of votes
Reasoning: Claude Sonnet 3.6 (2022-10-22) and o1 are tied
Our Verdict
o1
o1Winner
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)Runner-up

Pick o1. In 4 blind votes, o1 wins 75% of the time. That's not luck.

o1 particularly excels in Conversation. Claude Sonnet 3.6 (2022-10-22) is 4.0x cheaper per token — worth considering if cost matters.

Clear winner
Writing DNA

Style Comparison

Similarity
93%

o1 uses 15.0x more bold

Claude Sonnet 3.6 (2022-10-22)
o1
66%Vocabulary64%
74wSentence Length16w
0.72Hedging0.76
0.3Bold5.0
8.9Lists2.6
0.00Emoji0.00
0.06Headings0.44
0.09Transitions0.40
Based on 21 + 13 text responses
vs

Ask them anything yourself

Claude Sonnet 3.6 (2022-10-22)o1

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
Free preview13 of 58 slides
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