xAI: Grok 4
Nothing here. The model returned empty. We stared at it for a while.
xAI: Grok 4 vs Solar Pro 3
Compare xAI: Grok 4 by xAI against Solar Pro 3 by Upstage, context windows of 256K vs 128K, tested across 34 shared challenges. Updated April 2026.
Which is better, xAI: Grok 4 or Solar Pro 3?
xAI: Grok 4 and Solar Pro 3 are both competitive models. xAI: Grok 4 costs $3/M input tokens vs $0/M for Solar Pro 3. Context windows: 256K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between xAI: Grok 4 and Solar Pro 3
xAI: Grok 4 is made by xai while Solar Pro 3 is from upstage. xAI: Grok 4 has a 256K token context window compared to Solar Pro 3's 128K. On pricing, xAI: Grok 4 costs $3/M input tokens vs $0/M for Solar Pro 3.
Our Verdict
xAI: Grok 4
Solar Pro 3
No community votes yet. On paper, these are closely matched - try both with your actual task to see which fits your workflow.
Too close to call
Writing DNA
Style Comparison
Similarity
99%
Solar Pro 3 uses 2.7x more transitions
xAI: Grok 4
Solar Pro 3
53%Vocabulary50%
18wSentence Length21w
0.67Hedging0.42
2.7Bold6.5
2.7Lists2.2
0.07Emoji0.17
0.86Headings0.56
0.04Transitions0.12
Based on 21 + 18 text responses
vsAsk them anything yourself
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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