Claude Sonnet 3.6 (2022-10-22) vs GPT OSS 20B
Compare Claude Sonnet 3.6 (2022-10-22) by Anthropic against GPT OSS 20B by OpenAI, context windows of 200K vs 131K, tested across 54 shared challenges.
Our Verdict
Claude Sonnet 3.6 (2022-10-22)
GPT OSS 20B
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT OSS 20B is 150x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
Claude Sonnet 3.6 (2022-10-22)
Input
$3.00
Output
$15.00
GPT OSS 20B
Input
$0.02
150× cheaper
Output
$0.10
150× cheaper
GPT OSS 20B is cheaper on both — 150× input, 150× output
Writing DNA
Style Comparison
Similarity
33%
GPT OSS 20B uses 10.2x more emoji
Claude Sonnet 3.6 (2022-10-22)
GPT OSS 20B
66%Vocabulary54%
74wSentence Length17w
0.72Hedging0.26
0.3Bold5.9
8.9Lists3.3
0.00Emoji0.10
0.06Headings0.75
0.09Transitions0.32
Based on 21 + 21 text responses
Research
What we learned reading every model
FAQ
