GPT-5.4 nano (Xhigh) vs Kimi K3 (Max)
Which is better for the money: GPT-5.4 nano (Xhigh) by OpenAI or Kimi K3 (Max) 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 (Max) scores 22.9 points higher (43.6 vs 20.7) but costs 11× as much to run the benchmark ($3658 vs $331; flagship vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3 (Max) when you need intelligence above 20.7, and GPT-5.4 nano (Xhigh) when 20.7 is enough.
| Metric | GPT-5.4 nano (Xhigh) | Kimi K3 (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.7 | 43.6 | +110.6% Kimi K3 (Max) is 2.1× more intelligent |
| Total AA cost (lower is better) | $331.24 | $3,658.07 | +1004.4% Kimi K3 (Max) is 11× more expensive |
| End-to-end time (lower is better) | 57.18s | 56.93s | −0.4% Kimi K3 (Max) is 0.4% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.25 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Kimi K3 (Max) vs GPT-5.4 nano (Xhigh): 110.6% more intelligence, 1004.4% more cost to run the AA benchmark, and 0.4% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.4 nano (Xhigh) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- Kimi K3 (Max) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
GPT-5.4 nano (Xhigh)Kimi K3 (Max)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-4-nano/kimi-k3 · Markdown: /api/v1/compare/gpt-5-4-nano/kimi-k3?format=md · llms.txt · agent skill