DeepSeek R1 vs o3 Mini
Compare DeepSeek R1 by DeepSeek against o3 Mini by OpenAI, in 2 community votes, deepseek r1 wins 100% of head-to-head duels, context windows of 128K vs 64K, tested across 53 shared challenges. Updated June 2026.
Which is better, DeepSeek R1 or o3 Mini?
DeepSeek R1 is the better choice overall, winning 100% of 2 blind community votes on Rival. DeepSeek R1 costs $0.55/M input tokens vs $1.1/M for o3 Mini. Context windows: 128K vs 64K tokens. Compare their real outputs side by side below.
Key Differences Between DeepSeek R1 and o3 Mini
DeepSeek R1 is made by deepseek while o3 Mini is from openai. DeepSeek R1 has a 128K token context window compared to o3 Mini's 64K. On pricing, DeepSeek R1 costs $0.55/M input tokens vs $1.1/M for o3 Mini. In community voting, In 2 community votes, DeepSeek R1 wins 100% of head-to-head duels.
In 2 community votes, DeepSeek R1 wins 100% of head-to-head duels. DeepSeek R1 leads in Web Design. Based on blind community voting from the Rival open dataset of 2+ human preference judgments for this pair.
Pick DeepSeek R1. In 2 blind votes, DeepSeek R1 wins 100% of the time. That's not luck.
DeepSeek R1 particularly excels in Web Design.
Cost per 1M tokens
DeepSeek R1 is cheaper on both — 2.0× input, 2.0× output
Style Comparison
DeepSeek R1 uses 4.3x more emoji
