DeepSeek V4 Pro (Reasoning, High Effort) vs Gemini 3.1 Pro Preview

DeepSeek · Google · catalog 2026-09-14

Trade-off: DeepSeek V4 Pro (Reasoning, High Effort) is cheaper ($0.474 vs $1.74/M); Gemini 3.1 Pro Preview scores higher on intelligence (30.4 vs 30.1).
DeepSeek V4 Pro (Reasoning, High Effort)Gemini 3.1 Pro Preview
Speed (tok/s)65 measured109.6 measured
Blended $/M$0.474 derived$1.74 derived
Intelligence index30.1 measured30.4 measured
TTFT (ms)158 measured2516 measured
Context—1049k list
Coding index59 measured69 measured
Agentic indexnot measured for both

DeepSeek V4 Pro (Reasoning, High Effort) card · Gemini 3.1 Pro Preview card · 3D observatory

Verdicts use price×intelligence dominance only, and only where both sides are measured; null cells stay null with their provenance (em-dash = not in catalog). Percentile-free by design — this page compares two models, not the field. Generated page — do not hand-edit.