DeepSeek V3.1 vs DeepSeek R1
Compare DeepSeek V3.1 and DeepSeek R1, both from DeepSeek, context windows of 164K vs 128K, tested across 53 shared challenges. Updated May 2026.
Which is better, DeepSeek V3.1 or DeepSeek R1?
DeepSeek V3.1 and DeepSeek R1 are both competitive models. DeepSeek V3.1 costs $0.2/M input tokens vs $0.55/M for DeepSeek R1. Context windows: 164K vs 128K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek V3.1 and DeepSeek R1
DeepSeek V3.1 is made by deepseek while DeepSeek R1 is from deepseek. DeepSeek V3.1 has a 164K token context window compared to DeepSeek R1's 128K. On pricing, DeepSeek V3.1 costs $0.2/M input tokens vs $0.55/M for DeepSeek R1.
Per 1M tokens
DeepSeek V3.1 is cheaper on both — 2.8× input, 2.7× output
No community votes yet. On paper, DeepSeek V3.1 has the edge — bigger model tier, newer.
Style Comparison
DeepSeek R1 uses 2.0x more bold
