GPT-4 vs Solar Pro 3

Compare GPT-4 by OpenAI against Solar Pro 3 by Upstage, context windows of 8K vs 128K, tested across 17 shared challenges. Updated April 2026.

Which is better, GPT-4 or Solar Pro 3?

GPT-4 and Solar Pro 3 are both competitive models. GPT-4 costs $30/M input tokens vs $0/M for Solar Pro 3. Context windows: 8K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between GPT-4 and Solar Pro 3

GPT-4 is made by openai while Solar Pro 3 is from upstage. GPT-4 has a 8K token context window compared to Solar Pro 3's 128K. On pricing, GPT-4 costs $30/M input tokens vs $0/M for Solar Pro 3.

Our Verdict
GPT-4
GPT-4
Solar Pro 3
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
91%

Solar Pro 3 uses 17.3x more emoji

GPT-4
Solar Pro 3
59%Vocabulary50%
18wSentence Length21w
1.10Hedging0.42
0.8Bold6.5
2.5Lists2.2
0.00Emoji0.17
0.00Headings0.56
0.45Transitions0.12
Based on 15 + 18 text responses
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Ask them anything yourself

GPT-4Solar Pro 3

279 AI models invented the same fake scientist.

We read every word. 250 models. 2.14 million words. This is what we found.

AI Hallucination Index 2026
Free preview13 of 58 slides
FAQ

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