Claude Sonnet 3.6 (2022-10-22) vs GPT-4o (Omni)

Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against GPT-4o (Omni) by OpenAI, context windows of 200K vs 128K, tested across 43 shared challenges. Updated March 2026.

Which is better, Claude Sonnet 3.6 (2022-10-22) or GPT-4o (Omni)?

Claude Sonnet 3.6 (2022-10-22) and GPT-4o (Omni) are both competitive models. Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $2.5/M for GPT-4o (Omni). 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 GPT-4o (Omni)

Claude Sonnet 3.6 (2022-10-22) is made by anthropic while GPT-4o (Omni) is from openai. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window compared to GPT-4o (Omni)'s 128K. On pricing, Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $2.5/M for GPT-4o (Omni).

Our Verdict
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)
GPT-4o (Omni)
GPT-4o (Omni)

No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.

Too close to call
Writing DNA

Style Comparison

Similarity
100%

GPT-4o (Omni) uses 2.5x more emoji

Claude Sonnet 3.6 (2022-10-22)
GPT-4o (Omni)
66%Vocabulary54%
74wSentence Length18w
0.72Hedging0.72
0.3Bold7.3
8.9Lists5.6
0.00Emoji0.03
0.06Headings1.40
0.09Transitions0.26
Based on 21 + 24 text responses
vs

Ask them anything yourself

Claude Sonnet 3.6 (2022-10-22)GPT-4o (Omni)
FAQ