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 2026-08-19.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (medium) scores 12.6 points higher (55.6 vs 43.0) but costs 1.1× as much to run the benchmark ($580 vs $545; both premium class). Pick GPT-5.6 Sol (medium) when the extra intelligence is worth the premium, otherwise Kimi K2.7 Code.
| 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) | $580.17 | $544.58 | −6.1% Kimi K2.7 Code is 6.1% cheaper |
| End-to-end time (lower is better) | 12.55s | 75.91s | +504.9% Kimi K2.7 Code is 504.9% slower |
| Price per 1M tokens (in / out) | $5.00 / $30.0 | $0.95 / $4.00 | |
| Input modalities | Not reported | Not reported |
Kimi K2.7 Code vs GPT-5.6 Sol (medium): 22.7% less intelligence, 6.1% less cost to run the AA benchmark, and 504.9% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Sol (medium) is off the frontier: at the same or lower cost, Gemini 3.7 Flash (high) scores 56.00 for $485.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, Gemini 3.7 Flash (high) scores 56.00 for $485.
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