DeepSeek V4 Flash 0731 (Max) vs Kimi K3.1 Pro
Which is better for the money: DeepSeek V4 Flash 0731 (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 2026-10-24.
Trade-off
Verdict
Depends on your budget
Kimi K3.1 Pro scores 20.8 points higher (55.1 vs 34.3) but costs 16× as much to run the benchmark ($3117 vs $200; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3.1 Pro when you need intelligence above 34.3, and DeepSeek V4 Flash 0731 (Max) when 34.3 is enough.
| Metric | DeepSeek V4 Flash 0731 (Max) | Kimi K3.1 Pro | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.3 | 55.1 | +60.6% Kimi K3.1 Pro is 60.6% more intelligent |
| Total AA cost (lower is better) | $199.63 | $3,117.31 | +1461.5% Kimi K3.1 Pro is 16× more expensive |
| End-to-end time (lower is better) | 17.91s | 42.64s | +138.1% Kimi K3.1 Pro is 138.1% slower |
| Price per 1M tokens (in / out) | $0.14 / $0.28 | $2.00 / $10.0 | |
| Input modalities | Text | Text, Image |
Kimi K3.1 Pro vs DeepSeek V4 Flash 0731 (Max): 60.6% more intelligence, 1461.5% more cost to run the AA benchmark, and 138.1% slower end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0731 (Max) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
- Kimi K3.1 Pro is on today's frontier: nothing is both smarter and cheaper.
DeepSeek V4 Flash 0731 (Max)Kimi K3.1 ProToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
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