xAI: Grok 4
Nothing here. The model returned empty. We stared at it for a while.
xAI: Grok 4 vs GPT OSS 120B
Compare xAI: Grok 4 by xAI against GPT OSS 120B by OpenAI, context windows of 256K vs 131K, tested across 38 shared challenges. Updated April 2026.
Which is better, xAI: Grok 4 or GPT OSS 120B?
xAI: Grok 4 and GPT OSS 120B are both competitive models. xAI: Grok 4 costs $3/M input tokens vs $0.18/M for GPT OSS 120B. Context windows: 256K vs 131K tokens. Compare their real outputs side by side below.
Key Differences Between xAI: Grok 4 and GPT OSS 120B
xAI: Grok 4 is made by xai while GPT OSS 120B is from openai. xAI: Grok 4 has a 256K token context window compared to GPT OSS 120B's 131K. On pricing, xAI: Grok 4 costs $3/M input tokens vs $0.18/M for GPT OSS 120B.
Our Verdict
xAI: Grok 4
GPT OSS 120B
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
GPT OSS 120B is 19x cheaper per token — worth considering if cost matters.
Too close to call
Writing DNA
Style Comparison
Similarity
100%
GPT OSS 120B uses 3.8x more transitions
xAI: Grok 4
GPT OSS 120B
53%Vocabulary52%
18wSentence Length19w
0.67Hedging0.28
2.7Bold7.4
2.7Lists1.8
0.07Emoji0.15
0.86Headings0.73
0.04Transitions0.17
Based on 21 + 21 text responses
vsAsk them anything yourself
FAQ