Claude Sonnet 3.6 (2022-10-22) vs GPT OSS 120B

Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against GPT OSS 120B by OpenAI, context windows of 200K vs 131K, tested across 49 shared challenges. Updated April 2026.

Which is better, Claude Sonnet 3.6 (2022-10-22) or GPT OSS 120B?

Claude Sonnet 3.6 (2022-10-22) and GPT OSS 120B are both competitive models. Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 200K vs 131K tokens. Compare their real outputs side by side below.

Key Differences Between Claude Sonnet 3.6 (2022-10-22) and GPT OSS 120B

Claude Sonnet 3.6 (2022-10-22) is made by anthropic while GPT OSS 120B is from openai. Claude Sonnet 3.6 (2022-10-22) has a 200K token context window compared to GPT OSS 120B's 131K. On pricing, Claude Sonnet 3.6 (2022-10-22) costs $3/M input tokens vs $0.18/M for GPT OSS 120B.

Our Verdict
GPT OSS 120B
GPT OSS 120B
Claude Sonnet 3.6 (2022-10-22)
Claude Sonnet 3.6 (2022-10-22)Runner-up

No community votes yet. On paper, GPT OSS 120B has the edge — bigger model tier, newer.

GPT OSS 120B is 19x cheaper per token — worth considering if cost matters.

Too close to call
Writing DNA

Style Comparison

Similarity
97%

GPT OSS 120B uses 15.4x more emoji

Claude Sonnet 3.6 (2022-10-22)
GPT OSS 120B
66%Vocabulary52%
74wSentence Length19w
0.72Hedging0.28
0.3Bold7.4
8.9Lists1.8
0.00Emoji0.15
0.06Headings0.73
0.09Transitions0.17
Based on 21 + 21 text responses
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Claude Sonnet 3.6 (2022-10-22)GPT OSS 120B

279 AI models invented the same fake scientist.

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