DeepSeek R1 0528 vs Gemini 3 Flash
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 3 Flash by Google wins on 9 of 15 benchmarks against DeepSeek R1 0528 by DeepSeek, which leads on 6. 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, Gemini 3 Flash scores 1473 on Chatbot Arena ELO compared to DeepSeek R1 0528's 1375, while Gemini 3 Flash scores 88.6% on MMLU-Pro compared to DeepSeek R1 0528's 84.0%, while Gemini 3 Flash scores 89.0% on IFEval compared to DeepSeek R1 0528's 88.0%.
Coding: In coding, DeepSeek R1 0528 scores 88.0% on HumanEval+ compared to Gemini 3 Flash's 86.0%, while Gemini 3 Flash scores 78.0% on SWE-bench Verified compared to DeepSeek R1 0528's 55.0%, while DeepSeek R1 0528 scores 58.0% on LiveCodeBench compared to Gemini 3 Flash's 55.0%.
Math: In math, DeepSeek R1 0528 scores 96.0% on MATH compared to Gemini 3 Flash's 85.0%, while DeepSeek R1 0528 scores 97.5% on GSM8K compared to Gemini 3 Flash's 95.0%.
Reasoning: In reasoning, DeepSeek R1 0528 scores 81.0% on GPQA Diamond compared to Gemini 3 Flash's 72.0%, while Gemini 3 Flash scores 30.0% on ARC-AGI compared to DeepSeek R1 0528's 15.0%.
Context: In context, Gemini 3 Flash scores 1.0M 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 Gemini 3 Flash costs $0.50/1M input and $3.0/1M output. Gemini 3 Flash is the more affordable option for API usage.
Speed Comparison
DeepSeek R1 0528 generates output at 40 tok/s compared to Gemini 3 Flash's 200 tok/s, and the time to first token is 900 ms for DeepSeek R1 0528 versus 100 ms for Gemini 3 Flash. Gemini 3 Flash delivers faster throughput.
Verdict
For developers prioritizing math, DeepSeek R1 0528 has the edge. For those who value coding and general intelligence and affordability and speed, Gemini 3 Flash is the stronger choice.
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DeepSeek R1 0528 vs Gemini 3 Flash — FAQ
Which is better, DeepSeek R1 0528 or Gemini 3 Flash?
Gemini 3 Flash wins on more benchmarks overall (9 vs 6). However, the best choice depends on your specific needs — each model excels in different areas.
How does DeepSeek R1 0528 compare to Gemini 3 Flash for coding?
Gemini 3 Flash is better for coding, scoring 78.0% 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 Gemini 3 Flash?
Yes, Gemini 3 Flash is cheaper. DeepSeek R1 0528 costs $0.55/1M input and $2.2/1M output tokens. Gemini 3 Flash costs $0.50/1M input and $3.0/1M output tokens.
Which is faster, DeepSeek R1 0528 or Gemini 3 Flash?
Gemini 3 Flash is faster, generating output at 200 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 Gemini 3 Flash comparison cover?
This comparison covers 15 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.