DeepSeek V4 Pro vs Gemini 3.1 Pro Preview

Gemini 3.1 Pro Preview edges ahead on overall intelligence (RunFree 78 vs 72.4). Here's how they stack up on benchmarks, price and specs.

DeepSeek V4 Pro
DeepSeek
Gemini 3.1 Pro Preview
Google

Shared benchmarks (5)

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DeepSeek V4 ProGemini 3.1 Pro Preview
RunFree Score72.478
Blended price / 1M$0.54$4.50
Input / 1M$0.43$2.00
Output / 1M$0.87$12.00
Context window1.0M1.0M
Max output384K66K
Reasoning modelYesYes
GPQA Diamond90.1%94.3%
Humanity's Last Exam37.7%44.4%
MMLU-Pro87.5%92.6%
SWE-Bench Verified80.6%80.6%
Terminal-Bench67.9%68.5%
Wins45

A blank means the metric is tied or one model has no verified data. Prices are blended 3:1 input:output.

Compare more: DeepSeek V4 Pro card · Gemini 3.1 Pro Preview card · full leaderboard