GPT-5.4 mini (xhigh) vs Kimi K2.7 Code
Which is better for the money: GPT-5.4 mini (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.
Clear winner
Verdict
Pick Kimi K2.7 Code
Kimi K2.7 Code vs GPT-5.4 mini (xhigh): 6.9% more intelligence, 30.9% less cost to run the AA benchmark, and 70.7% faster end-to-end.
| Metric | GPT-5.4 mini (xhigh) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.6 | 26.3 | +6.9% Kimi K2.7 Code is 6.9% more intelligent |
| Total AA cost (lower is better) | $1,437.80 | $992.88 | −30.9% Kimi K2.7 Code is 30.9% cheaper |
| End-to-end time (lower is better) | 140.90s | 41.22s | −70.7% Kimi K2.7 Code is 70.7% faster |
| Price per 1M tokens (in / out) | $0.75 / $4.50 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Today's Pareto frontier
Against the frontier
- GPT-5.4 mini (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 mini (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-mini/kimi-k2-7-code · Markdown: /api/v1/compare/gpt-5-4-mini/kimi-k2-7-code?format=md · llms.txt · agent skill