GPT-5.4 nano (xhigh) vs Kimi K2.7 Code
Which is better for the money: GPT-5.4 nano (xhigh) by OpenAI or Kimi K2.7 Code by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-09-09.
Trade-off
Verdict
Depends on your budget
Kimi K2.7 Code scores 5.1 points higher (26.3 vs 21.2) but costs 3.0× as much to run the benchmark ($993 vs $331; premium vs mid-range cost classes). Pick Kimi K2.7 Code when the extra intelligence is worth the premium, otherwise GPT-5.4 nano (xhigh).
| Metric | GPT-5.4 nano (xhigh) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 21.2 | 26.3 | +24.1% Kimi K2.7 Code is 24.1% more intelligent |
| Total AA cost (lower is better) | $331.24 | $992.88 | +199.7% Kimi K2.7 Code is 3.0× more expensive |
| End-to-end time (lower is better) | 70.45s | 41.22s | −41.5% Kimi K2.7 Code is 41.5% faster |
| Price per 1M tokens (in / out) | $0.20 / $1.25 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Kimi K2.7 Code vs GPT-5.4 nano (xhigh): 24.1% more intelligence, 199.7% more cost to run the AA benchmark, and 41.5% 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, GLM-5.3-Flash scores 41.90 for $280.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 41.90 for $280.
GPT-5.4 nano (xhigh)Kimi K2.7 CodeToday'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-k2-7-code · Markdown: /api/v1/compare/gpt-5-4-nano/kimi-k2-7-code?format=md · llms.txt · agent skill