GPT OSS 20B vs Grok 3
Compare GPT OSS 20B by OpenAI against Grok 3 by xAI, in 16 community votes, grok 3 wins 62% of head-to-head duels, context windows of 131K vs 128K, tested across 53 shared challenges.
Reasoning: GPT OSS 20B and Grok 3 are tied
Web Design: Grok 3 wins 100% of votes
Analysis: GPT OSS 20B wins 100% of votes
Image Generation: Grok 3 wins 100% of votes
Our Verdict
Grok 3Winner
GPT OSS 20BRunner-up
Pick Grok 3. In 16 blind votes, Grok 3 wins 62% of the time. That's not luck.
Pick GPT OSS 20B for Analysis. Pick Grok 3 for Web Design, Image Generation.
Clear winner
API pricing
Cost per 1M tokens
GPT OSS 20B
Input
$0.02
Output
$0.10
Grok 3
Input
—
Output
—
Writing DNA
Style Comparison
Similarity
47%
GPT OSS 20B uses 4.0x more transitions
GPT OSS 20B
Grok 3
54%Vocabulary49%
17wSentence Length18w
0.26Hedging0.94
5.9Bold2.5
3.3Lists3.0
0.10Emoji0.04
0.75Headings0.65
0.32Transitions0.08
Based on 21 + 17 text responses
Research
What we learned reading every model
FAQ
