GPT-4.1 Nano
Nothing here. The model returned empty. We stared at it for a while.
GPT-4.1 Nano vs xAI: Grok 4
Compare GPT-4.1 Nano by OpenAI against xAI: Grok 4 by xAI, in 3 community votes, xai: grok 4 wins 100% of head-to-head duels, context windows of 1.0M vs 256K, tested across 34 shared challenges. Updated April 2026.
Which is better, GPT-4.1 Nano or xAI: Grok 4?
xAI: Grok 4 is the better choice overall, winning 100% of 3 blind community votes on Rival. GPT-4.1 Nano costs $0.1/M input tokens vs $3/M for xAI: Grok 4. Context windows: 1048K vs 256K tokens. Compare their real outputs side by side below.
Key Differences Between GPT-4.1 Nano and xAI: Grok 4
GPT-4.1 Nano is made by openai while xAI: Grok 4 is from xai. GPT-4.1 Nano has a 1048K token context window compared to xAI: Grok 4's 256K. On pricing, GPT-4.1 Nano costs $0.1/M input tokens vs $3/M for xAI: Grok 4. In community voting, In 3 community votes, xAI: Grok 4 wins 100% of head-to-head duels.
In 3 community votes, xAI: Grok 4 wins 100% of head-to-head duels. xAI: Grok 4 leads in Image Generation. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Image Generation: xAI: Grok 4 wins 100% of votes
Our Verdict
xAI: Grok 4Winner
GPT-4.1 NanoRunner-up
Pick xAI: Grok 4. In 3 blind votes, xAI: Grok 4 wins 100% of the time. That's not luck.
xAI: Grok 4 particularly excels in Image Generation. GPT-4.1 Nano is 38x cheaper per token — worth considering if cost matters.
Clear winner
Writing DNA
Style Comparison
Similarity
97%
xAI: Grok 4 uses 7.0x more emoji
GPT-4.1 Nano
xAI: Grok 4
57%Vocabulary53%
25wSentence Length18w
0.72Hedging0.67
5.6Bold2.7
4.9Lists2.7
0.00Emoji0.07
0.71Headings0.86
0.22Transitions0.04
Based on 24 + 21 text responses
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279 AI models invented the same fake scientist.
We read every word. 250 models. 2.14 million words. This is what we found.
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