DeepSeek R1 0528 vs Solar Pro 3

Compare DeepSeek R1 0528 by DeepSeek against Solar Pro 3 by Upstage, context windows of 164K vs 128K, tested across 39 shared challenges. Updated April 2026.

Which is better, DeepSeek R1 0528 or Solar Pro 3?

DeepSeek R1 0528 and Solar Pro 3 are both competitive models. DeepSeek R1 0528 costs $0/M input tokens vs $0/M for Solar Pro 3. Context windows: 164K vs 128K tokens. Compare their real outputs side by side below.

Key Differences Between DeepSeek R1 0528 and Solar Pro 3

DeepSeek R1 0528 is made by deepseek while Solar Pro 3 is from upstage. DeepSeek R1 0528 has a 164K token context window compared to Solar Pro 3's 128K. On pricing, DeepSeek R1 0528 costs $0/M input tokens vs $0/M for Solar Pro 3.

Our Verdict
DeepSeek R1 0528
DeepSeek R1 0528
Solar Pro 3
Solar Pro 3Runner-up

No community votes yet. On paper, DeepSeek R1 0528 has the edge — bigger model tier, major provider backing.

Too close to call
Writing DNA

Style Comparison

Similarity
81%

Solar Pro 3 uses 17.3x more emoji

DeepSeek R1 0528
Solar Pro 3
64%Vocabulary50%
10wSentence Length21w
0.30Hedging0.42
6.8Bold6.5
4.9Lists2.2
0.00Emoji0.17
0.40Headings0.56
0.00Transitions0.12
Based on 4 + 18 text responses
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DeepSeek R1 0528Solar 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
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