DeepSeek V4 Flash 0420 (Max) vs Kimi K3.1 Pro
Which is better for the money: DeepSeek V4 Flash 0420 (Max) by DeepSeek or Kimi K3.1 Pro by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
Kimi K3.1 Pro scores 30.9 points higher (55.1 vs 24.2) but costs 21× as much to run the benchmark ($3117 vs $149; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 24.2, and DeepSeek V4 Flash 0420 (Max) when 24.2 is enough.
| Metric | DeepSeek V4 Flash 0420 (Max) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.2 | 55.1 | +127.7% Kimi K3.1 Pro is 2.3× more intelligent |
| Total AA cost (lower is better) | $149.48 | $3,117.31 | +1985.4% Kimi K3.1 Pro is 21× more expensive |
| End-to-end time (lower is better) | 100.76s | 46.58s | −53.8% Kimi K3.1 Pro is 53.8% faster |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $2.00 / $10.0 | |
| Input modalities | Text | Text, Image |
Kimi K3.1 Pro vs DeepSeek V4 Flash 0420 (Max): 127.7% more intelligence, 1985.4% more cost to run the AA benchmark, and 53.8% faster end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0420 (Max) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
DeepSeek V4 Flash 0420 (Max)Kimi K3.1 ProToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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