DeepSeek V4 Flash 0420 (High) vs Gemini 3.1 Pro Preview
Which is better for the money: DeepSeek V4 Flash 0420 (High) by DeepSeek or Gemini 3.1 Pro Preview by Google? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
Gemini 3.1 Pro Preview scores 5.3 points higher (29.7 vs 24.4) but costs 16× as much to run the benchmark ($1935 vs $121; premium vs mid-range cost classes). They are not alternatives at one budget: pick Gemini 3.1 Pro Preview when you need intelligence above 24.4, and DeepSeek V4 Flash 0420 (High) when 24.4 is enough.
| Metric | DeepSeek V4 Flash 0420 (High) | Gemini 3.1 Pro Preview | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.4 | 29.7 | +21.7% Gemini 3.1 Pro Preview is 21.7% more intelligent |
| Total AA cost (lower is better) | $121.20 | $1,935.39 | +1496.9% Gemini 3.1 Pro Preview is 16× more expensive |
| End-to-end time (lower is better) | Not reported | 24.38s | — not comparable |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $2.00 / $12.0 | |
| Input modalities | Text | Text, Image, Speech, Video |
Gemini 3.1 Pro Preview vs DeepSeek V4 Flash 0420 (High): 21.7% more intelligence, 1496.9% more cost to run the AA benchmark, and end-to-end time not fully reported.
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0420 (High) is off the frontier: at the same or lower cost, MiMo-V2.6-Flash scores 37.90 for $110.
- Gemini 3.1 Pro Preview is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
DeepSeek V4 Flash 0420 (High)Gemini 3.1 Pro PreviewToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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