DeepSeek R1 0528 vs o3
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
o3 by OpenAI wins on 11 of 16 benchmarks against DeepSeek R1 0528 by DeepSeek, which leads on 2. 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, o3 scores 1380 on Chatbot Arena ELO compared to DeepSeek R1 0528's 1375, while both score 84.0% on MMLU-Pro, while o3 scores 92.0% on IFEval compared to DeepSeek R1 0528's 88.0%.
Coding: In coding, o3 scores 90.0% on HumanEval+ compared to DeepSeek R1 0528's 88.0%, while o3 scores 69.1% on SWE-bench Verified compared to DeepSeek R1 0528's 55.0%, while o3 scores 70.0% on LiveCodeBench compared to DeepSeek R1 0528's 58.0%.
Math: In math, both score 96.0% on MATH, while o3 scores 98.5% on GSM8K compared to DeepSeek R1 0528's 97.5%, while o3 scores 98.4% on AIME 2025 compared to DeepSeek R1 0528's 87.5%.
Reasoning: In reasoning, o3 scores 83.3% on GPQA Diamond compared to DeepSeek R1 0528's 81.0%, while o3 scores 75.7% on ARC-AGI compared to DeepSeek R1 0528's 15.0%.
Context: In context, o3 scores 200K on Context Length compared to DeepSeek R1 0528's 131K.
Pricing Comparison
DeepSeek R1 0528 costs $0.55/1M input tokens and $2.2/1M output tokens, while o3 costs $2.0/1M input and $8.0/1M output. DeepSeek R1 0528 is the more affordable option for API usage.
Speed Comparison
DeepSeek R1 0528 generates output at 40 tok/s compared to o3's 40 tok/s, and the time to first token is 900 ms for DeepSeek R1 0528 versus 800 ms for o3. Both models offer similar output speed.
Verdict
For developers prioritizing affordability, DeepSeek R1 0528 has the edge. For those who value coding and general intelligence, o3 is the stronger choice.
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DeepSeek R1 0528 vs o3 — FAQ
Which is better, DeepSeek R1 0528 or o3?
o3 wins on more benchmarks overall (11 vs 2). However, the best choice depends on your specific needs — each model excels in different areas.
How does DeepSeek R1 0528 compare to o3 for coding?
o3 is better for coding, scoring 69.1% on SWE-bench Verified compared to 55.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is DeepSeek R1 0528 cheaper than o3?
Yes, DeepSeek R1 0528 is cheaper. DeepSeek R1 0528 costs $0.55/1M input and $2.2/1M output tokens. o3 costs $2.0/1M input and $8.0/1M output tokens.
Which is faster, DeepSeek R1 0528 or o3?
Both models generate output at the same speed of 40 tok/s.
What benchmarks does the DeepSeek R1 0528 vs o3 comparison cover?
This comparison covers 16 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, IFEval, MATH, SWE-bench Verified, GPQA Diamond, Output Speed, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.