GPT-5.6 Sol (Xhigh) vs Kimi K2.7 Code
Which is better for the money: GPT-5.6 Sol (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 2026-10-24.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (Xhigh) scores 18.2 points higher (44.0 vs 25.8) but costs 2.1× as much to run the benchmark ($2082 vs $993; flagship vs premium cost classes). Pick GPT-5.6 Sol (Xhigh) when the extra intelligence is worth the premium, otherwise Kimi K2.7 Code.
| Metric | GPT-5.6 Sol (Xhigh) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.0 | 25.8 | −41.4% Kimi K2.7 Code is 41.4% less intelligent |
| Total AA cost (lower is better) | $2,082.28 | $992.88 | −52.3% Kimi K2.7 Code is 52.3% cheaper |
| End-to-end time (lower is better) | 28.41s | 46.75s | +64.6% Kimi K2.7 Code is 64.6% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.95 / $4.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Kimi K2.7 Code vs GPT-5.6 Sol (Xhigh): 41.4% less intelligence, 52.3% less cost to run the AA benchmark, and 64.6% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- 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-5.6 Sol (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-5-6-sol-xhigh/kimi-k2-7-code · Markdown: /api/v1/compare/gpt-5-6-sol-xhigh/kimi-k2-7-code?format=md · llms.txt · agent skill