Llama 4 Scout vs Solar Pro 3

Compare Llama 4 Scout by Meta AI against Solar Pro 3 by Upstage, context windows of 10.0M vs 128K, tested across 39 shared challenges. Updated April 2026.

Which is better, Llama 4 Scout or Solar Pro 3?

Llama 4 Scout and Solar Pro 3 are both competitive models. Llama 4 Scout costs $0.25/M input tokens vs $0/M for Solar Pro 3. Context windows: 10000K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between Llama 4 Scout and Solar Pro 3

Llama 4 Scout is made by meta while Solar Pro 3 is from upstage. Llama 4 Scout has a 10000K token context window compared to Solar Pro 3's 128K. On pricing, Llama 4 Scout costs $0.25/M input tokens vs $0/M for Solar Pro 3.

Our Verdict
Llama 4 Scout
Llama 4 Scout
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
99%

Solar Pro 3 uses 17.3x more emoji

Llama 4 Scout
Solar Pro 3
43%Vocabulary50%
42wSentence Length21w
0.81Hedging0.42
4.1Bold6.5
7.3Lists2.2
0.00Emoji0.17
0.30Headings0.56
0.04Transitions0.12
Based on 10 + 18 text responses
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Llama 4 ScoutSolar 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
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