GPT OSS 20B vs Grok 3 Beta
Compare GPT OSS 20B by OpenAI against Grok 3 Beta by xAI, context windows of 131K vs 131K, tested across 54 shared challenges.
Our Verdict
GPT OSS 20B
Grok 3 Beta
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 40x cheaper per token — worth considering if cost matters.
Too close to call
API pricing
Cost per 1M tokens
GPT OSS 20B
Input
$0.02
100× cheaper
Output
$0.10
40× cheaper
Grok 3 Beta
Input
$2.00
Output
$4.00
GPT OSS 20B is cheaper on both — 100× input, 40× output
Writing DNA
Style Comparison
Similarity
61%
GPT OSS 20B uses 10.2x more emoji
GPT OSS 20B
Grok 3 Beta
54%Vocabulary48%
17wSentence Length19w
0.26Hedging0.67
5.9Bold3.1
3.3Lists5.5
0.10Emoji0.00
0.75Headings0.52
0.32Transitions0.28
Based on 21 + 23 text responses
Research
What we learned reading every model
FAQ
Common questions
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