DeepSeek V3.1 vs Gemini 3 Pro
Side-by-side benchmark comparison across coding, math, reasoning, speed, and pricing.
Gemini 3 Pro by Google wins on 10 of 14 benchmarks against DeepSeek V3.1 by DeepSeek, which leads on 3. This head-to-head comparison covers coding, math, reasoning, speed, and pricing metrics from our benchmark data.
Category-by-Category Breakdown
General Intelligence: In general intelligence, Gemini 3 Pro scores 1492 on Chatbot Arena ELO compared to DeepSeek V3.1's 1340, while Gemini 3 Pro scores 89.8% on MMLU-Pro compared to DeepSeek V3.1's 78.0%.
Coding: In coding, Gemini 3 Pro scores 91.0% on HumanEval+ compared to DeepSeek V3.1's 84.0%, while Gemini 3 Pro scores 65.0% on SWE-bench Verified compared to DeepSeek V3.1's 46.0%, while Gemini 3 Pro scores 72.0% on LiveCodeBench compared to DeepSeek V3.1's 48.0%.
Math: In math, Gemini 3 Pro scores 92.0% on MATH compared to DeepSeek V3.1's 82.0%, while Gemini 3 Pro scores 97.5% on GSM8K compared to DeepSeek V3.1's 92.0%.
Reasoning: In reasoning, Gemini 3 Pro scores 91.9% on GPQA Diamond compared to DeepSeek V3.1's 55.0%, while Gemini 3 Pro scores 54.0% on ARC-AGI compared to DeepSeek V3.1's 35.0%.
Context: In context, Gemini 3 Pro scores 1.0M on Context Length compared to DeepSeek V3.1's 164K.
Pricing Comparison
DeepSeek V3.1 costs $0.25/1M input tokens and $0.95/1M output tokens, while Gemini 3 Pro costs $2.0/1M input and $12.0/1M output. DeepSeek V3.1 is the more affordable option for API usage.
Speed Comparison
DeepSeek V3.1 generates output at 65 tok/s compared to Gemini 3 Pro's 60 tok/s, and the time to first token is 450 ms for DeepSeek V3.1 versus 450 ms for Gemini 3 Pro. DeepSeek V3.1 delivers faster throughput.
Verdict
For developers prioritizing affordability and speed, DeepSeek V3.1 has the edge. For those who value coding and general intelligence and math, Gemini 3 Pro is the stronger choice.
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DeepSeek V3.1 vs Gemini 3 Pro — FAQ
Which is better, DeepSeek V3.1 or Gemini 3 Pro?
Gemini 3 Pro wins on more benchmarks overall (10 vs 3). However, the best choice depends on your specific needs — each model excels in different areas.
How does DeepSeek V3.1 compare to Gemini 3 Pro for coding?
Gemini 3 Pro is better for coding, scoring 65.0% on SWE-bench Verified compared to 46.0%. SWE-bench tests real-world software engineering by resolving actual GitHub issues.
Is DeepSeek V3.1 cheaper than Gemini 3 Pro?
Yes, DeepSeek V3.1 is cheaper. DeepSeek V3.1 costs $0.25/1M input and $0.95/1M output tokens. Gemini 3 Pro costs $2.0/1M input and $12.0/1M output tokens.
Which is faster, DeepSeek V3.1 or Gemini 3 Pro?
DeepSeek V3.1 is faster, generating output at 65 tok/s compared to 60 tok/s. Faster output speed means shorter wait times for API responses.
What benchmarks does the DeepSeek V3.1 vs Gemini 3 Pro comparison cover?
This comparison covers 14 benchmarks including Chatbot Arena ELO, MMLU-Pro, HumanEval+, MATH, GPQA Diamond, SWE-bench Verified, Output Speed, LiveCodeBench, and more. Metrics span general intelligence, coding, math, reasoning, speed, and cost categories.