Claude Opus 4.1 vs DeepSeek R1 0528
Compare Claude Opus 4.1 by Anthropic against DeepSeek R1 0528 by DeepSeek, in 3 community votes, claude opus 4.1 wins 67% of head-to-head duels, context windows of 200K vs 164K, tested across 53 shared challenges. Updated May 2026.
Which is better, Claude Opus 4.1 or DeepSeek R1 0528?
Claude Opus 4.1 is the better choice overall, winning 67% of 3 blind community votes on Rival. Claude Opus 4.1 costs $15/M input tokens vs $0/M for DeepSeek R1 0528. Context windows: 200K vs 164K tokens. Compare their real outputs side by side below.
Key Differences Between Claude Opus 4.1 and DeepSeek R1 0528
Claude Opus 4.1 is made by anthropic while DeepSeek R1 0528 is from deepseek. Claude Opus 4.1 has a 200K token context window compared to DeepSeek R1 0528's 164K. On pricing, Claude Opus 4.1 costs $15/M input tokens vs $0/M for DeepSeek R1 0528. In community voting, In 3 community votes, Claude Opus 4.1 wins 67% of head-to-head duels.
In 3 community votes, Claude Opus 4.1 wins 67% of head-to-head duels. Claude Opus 4.1 has the edge overall, but performance varies by task type. Based on blind community voting from the Rival open dataset of 3+ human preference judgments for this pair.
Per 1M tokens
Pick Claude Opus 4.1. In 3 blind votes, Claude Opus 4.1 wins 67% of the time. That's not luck.
Style Comparison
Claude Opus 4.1 uses 38.4x more emoji
