GPT-5.5 (High) vs Kimi K2.7 Code
Which is better for the money: GPT-5.5 (High) by OpenAI or Kimi K2.7 Code by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-5.5 (High) scores 11.2 points higher (37.0 vs 25.8) but costs 3.4× as much to run the benchmark ($3411 vs $993; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-5.5 (High) when you need intelligence above 25.8, and Kimi K2.7 Code when 25.8 is enough.
| Metric | GPT-5.5 (High) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 37.0 | 25.8 | −30.3% Kimi K2.7 Code is 30.3% less intelligent |
| Total AA cost (lower is better) | $3,410.76 | $992.88 | −70.9% Kimi K2.7 Code is 70.9% cheaper |
| End-to-end time (lower is better) | 19.79s | 46.45s | +134.7% Kimi K2.7 Code is 134.7% slower |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Kimi K2.7 Code vs GPT-5.5 (High): 30.3% less intelligence, 70.9% less cost to run the AA benchmark, and 134.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.5 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-5.5 (High)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-5-5-high/kimi-k2-7-code · Markdown: /api/v1/compare/gpt-5-5-high/kimi-k2-7-code?format=md · llms.txt · agent skill