GPT-5.6 Sol (medium) vs Kimi K2.7 Code
Which is better for the money: GPT-5.6 Sol (medium) by OpenAI or Kimi K2.7 Code by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-09-01.
Clear winner
Verdict
Pick GPT-5.6 Sol (medium)
Kimi K2.7 Code vs GPT-5.6 Sol (medium): 22.7% less intelligence, 26.8% more cost to run the AA benchmark, and 459.1% slower end-to-end.
| Metric | GPT-5.6 Sol (medium) | Kimi K2.7 Code | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 55.6 | 43.0 | −22.7% Kimi K2.7 Code is 22.7% less intelligent |
| Total AA cost (lower is better) | $429.35 | $544.58 | +26.8% Kimi K2.7 Code is 26.8% more expensive |
| End-to-end time (lower is better) | 10.80s | 60.38s | +459.1% Kimi K2.7 Code is 459.1% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (medium) is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 57.50 for $138.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, GLM-5.3-Flash scores 57.50 for $138.
GPT-5.6 Sol (medium)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-medium/kimi-k2-7-code · Markdown: /api/v1/compare/gpt-5-6-sol-medium/kimi-k2-7-code?format=md · llms.txt · agent skill