GPT-5.6 Sol (max) vs Kimi K2.7 Code
Which is better for the money: GPT-5.6 Sol (max) 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
GPT-5.6 Sol (max) scores 20.8 points higher (47.1 vs 26.3) but costs 3.5× as much to run the benchmark ($3465 vs $993; flagship vs premium cost classes). They are not alternatives at one budget: pick GPT-5.6 Sol (max) when you need intelligence above 26.3, and Kimi K2.7 Code when 26.3 is enough.
| Metric | GPT-5.6 Sol (max) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 47.1 | 26.3 | −44.2% Kimi K2.7 Code is 44.2% less intelligent |
| Total AA cost (lower is better) | $3,464.84 | $992.88 | −71.3% Kimi K2.7 Code is 71.3% cheaper |
| End-to-end time (lower is better) | 145.57s | 41.22s | −71.7% Kimi K2.7 Code is 71.7% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Kimi K2.7 Code vs GPT-5.6 Sol (max): 44.2% less intelligence, 71.3% less cost to run the AA benchmark, and 71.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (max) is off the frontier: at the same or lower cost, GPT-6 Astra (high) scores 51.00 for $2917.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 41.90 for $280.
GPT-5.6 Sol (max)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/kimi-k2-7-code · Markdown: /api/v1/compare/gpt-5-6-sol/kimi-k2-7-code?format=md · llms.txt · agent skill