Claude Opus 4.6
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Claude Opus 4.6 vs Solar Pro 3
Compare Claude Opus 4.6 by Anthropic against Solar Pro 3 by Upstage, in 1 community votes, claude opus 4.6 wins 100% of head-to-head duels, context windows of 1.0M vs 128K, tested across 39 shared challenges. Updated April 2026.
Which is better, Claude Opus 4.6 or Solar Pro 3?
Claude Opus 4.6 is the better choice overall, winning 100% of 1 blind community votes on Rival. Claude Opus 4.6 costs $5/M input tokens vs $0/M for Solar Pro 3. Context windows: 1000K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.6 and Solar Pro 3
Claude Opus 4.6 is made by anthropic while Solar Pro 3 is from upstage. Claude Opus 4.6 has a 1000K token context window compared to Solar Pro 3's 128K. On pricing, Claude Opus 4.6 costs $5/M input tokens vs $0/M for Solar Pro 3. In community voting, In 1 community votes, Claude Opus 4.6 wins 100% of head-to-head duels.
In 1 community votes, Claude Opus 4.6 wins 100% of head-to-head duels. Based on blind community voting from the Rival open dataset of 1+ human preference judgments for this pair.
Our Verdict
Claude Opus 4.6Winner
Solar Pro 3Runner-up
Pick Claude Opus 4.6. In 1 blind votes, Claude Opus 4.6 wins 100% of the time. That's not luck.
Clear winner
Writing DNA
Style Comparison
Similarity
99%
Solar Pro 3 uses 4.3x more transitions
Claude Opus 4.6
Solar Pro 3
53%Vocabulary50%
35wSentence Length21w
0.68Hedging0.42
5.2Bold6.5
2.9Lists2.2
0.21Emoji0.17
1.34Headings0.56
0.03Transitions0.12
Based on 23 + 18 text responses
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