DeepSeek V3.1
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DeepSeek V3.1 vs DeepSeek R1
Compare DeepSeek V3.1 and DeepSeek R1, both from DeepSeek, context windows of 164K vs 128K, tested across 42 shared challenges. Updated February 2026.
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DeepSeek V3.1vsDeepSeek R1
37 challenges
Why DeepSeek V3.1?
2.7x cheaper overall$0.20/M in · $0.80/M out
1.3x more context164K
Stronger on SWE-bench Verified66.0% vs 49.2%
7 months newerAug 2025
Why DeepSeek R1?
Stronger on LiveCodeBench63.5% vs 56.4%
Favorites
DeepSeek V3.1DeepSeek R1
12 / 37
Estimate Complexityreasoning
Tests an AI's ability to make educated estimates based on technical knowledge
DeepSeek R1
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2 / 37
AI Board Game Logicreasoning
Tests an AI's ability to understand game rules and strategy
DeepSeek V3.1
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DeepSeek R1
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3 / 37
Logic Puzzlereasoning
Tests an AI's ability to solve a simple but potentially confusing logic puzzle
DeepSeek V3.1
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DeepSeek R1
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4 / 37
Math Misconception Testreasoning
Tests an AI's understanding of number representation
DeepSeek V3.1
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DeepSeek R1
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5 / 37
Stochastic Consistency Testanalysis
Tests an AI's randomness and creativity
DeepSeek V3.1
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DeepSeek R1
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6 / 37
SVG Layout Challengeimage generation
Tests an AI's ability to generate vector graphics
DeepSeek V3.1
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DeepSeek R1
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7 / 37
Xbox Controller SVG Artimage generation
Tests an AI's ability to create detailed SVG illustrations of gaming hardware
DeepSeek V3.1
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DeepSeek R1
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8 / 37
Generate a Stand-Up Routineconversation
Tests an AI's humor and creative writing ability
DeepSeek V3.1
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DeepSeek R1
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9 / 37
Realistic AI Interviewconversation
Tests an AI's ability to simulate personalities and predict future trends
DeepSeek V3.1
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DeepSeek R1
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10 / 37
Satirical Fake News Headlineconversation
Tests an AI's humor and understanding of current events
DeepSeek V3.1
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DeepSeek R1
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Vote
11 / 37
Character Voice Testconversation
Tests an AI's ability to write in distinct character voices
DeepSeek V3.1
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DeepSeek R1
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12 / 37
Minimalist Landing Pageweb design
Tests an AI's ability to generate a complete, working landing page
DeepSeek V3.1
DeepSeek R1
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12 of 37