GPT-5.4 nano (Xhigh) vs Kimi K3 (Low)
Which is better for the money: GPT-5.4 nano (Xhigh) by OpenAI or Kimi K3 (Low) by Kimi? 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
Kimi K3 (Low) scores 9.4 points higher (30.1 vs 20.7) but costs 3.6× as much to run the benchmark ($1190 vs $331; premium vs mid-range cost classes). They are not alternatives at one budget: pick Kimi K3 (Low) 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 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 20.7 | 30.1 | +45.4% Kimi K3 (Low) is 45.4% more intelligent |
| Total AA cost (lower is better) | $331.24 | $1,190.42 | +259.4% Kimi K3 (Low) is 3.6× more expensive |
| End-to-end time (lower is better) | 105.67s | 49.80s | −52.9% Kimi K3 (Low) is 52.9% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.25 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Kimi K3 (Low) vs GPT-5.4 nano (Xhigh): 45.4% more intelligence, 259.4% more cost to run the AA benchmark, and 52.9% 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 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-5.4 nano (Xhigh)Kimi K3 (Low)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-low · Markdown: /api/v1/compare/gpt-5-4-nano/kimi-k3-low?format=md · llms.txt · agent skill