DeepSeek R1 0528 vs DeepSeek V3.1
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
DeepSeek R1 0528 by DeepSeek wins on 8 of 14 benchmarks against DeepSeek V3.1 by DeepSeek, which leads on 5. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from the AI Value Index.
Category-by-Category Breakdown
General Intelligence: In general intelligence, DeepSeek R1 0528 scores 1375 on Chatbot Arena ELO compared to DeepSeek V3.1's 1340, while DeepSeek R1 0528 scores 84.0% on MMLU-Pro compared to DeepSeek V3.1's 78.0%.
Coding: In coding, DeepSeek R1 0528 scores 88.0% on HumanEval+ compared to DeepSeek V3.1's 84.0%, while DeepSeek R1 0528 scores 55.0% on SWE-bench Verified compared to DeepSeek V3.1's 46.0%, while DeepSeek R1 0528 scores 58.0% on LiveCodeBench compared to DeepSeek V3.1's 48.0%.
Math: In math, DeepSeek R1 0528 scores 96.0% on MATH compared to DeepSeek V3.1's 82.0%, while DeepSeek R1 0528 scores 97.5% on GSM8K compared to DeepSeek V3.1's 92.0%.
Reasoning: In reasoning, DeepSeek R1 0528 scores 81.0% on GPQA Diamond compared to DeepSeek V3.1's 55.0%, while DeepSeek V3.1 scores 35.0% on ARC-AGI compared to DeepSeek R1 0528's 15.0%.
Context: In context, both score 131K on Context Length.
Pricing Comparison
DeepSeek R1 0528 costs $0.55/1M input tokens and $2.2/1M output tokens, while DeepSeek V3.1 costs $0.14/1M input and $0.28/1M output. DeepSeek V3.1 is the more affordable option for API usage.
Speed Comparison
DeepSeek R1 0528 generates output at 40 tok/s compared to DeepSeek V3.1's 65 tok/s, and the time to first token is 900 ms for DeepSeek R1 0528 versus 450 ms for DeepSeek V3.1. DeepSeek V3.1 delivers faster throughput.
Verdict
For developers prioritizing coding and general intelligence and math, DeepSeek R1 0528 has the edge. For those who value affordability and speed, DeepSeek V3.1 is the stronger choice.
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DeepSeek R1 0528 vs DeepSeek V3.1 — FAQ
Which is better, DeepSeek R1 0528 or DeepSeek V3.1?
DeepSeek R1 0528 wins on more benchmarks overall (8 vs 5). However, the best choice depends on your specific needs — each model excels in different areas.
How does DeepSeek R1 0528 compare to DeepSeek V3.1 for coding?
DeepSeek R1 0528 is better for coding, scoring 55.0% on SWE-bench Verified compared to 46.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is DeepSeek R1 0528 cheaper than DeepSeek V3.1?
Yes, DeepSeek V3.1 is cheaper. DeepSeek R1 0528 costs $0.55/1M input and $2.2/1M output tokens. DeepSeek V3.1 costs $0.14/1M input and $0.28/1M output tokens.
Which is faster, DeepSeek R1 0528 or DeepSeek V3.1?
DeepSeek V3.1 is faster, generating output at 65 tok/s compared to 40 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the DeepSeek R1 0528 vs DeepSeek V3.1 comparison cover?
This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, SWE-bench Verified, GPQA Diamond, Output Speed, Time to First Token, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.