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 2026-09-22.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Sol (medium) scores 13.4 points higher (39.2 vs 25.8) but costs 1.0× as much to run the benchmark ($997 vs $993; 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) | 39.2 | 25.8 | −34.2% Kimi K2.7 Code is 34.2% less intelligent |
| Total AA cost (lower is better) | $997.39 | $992.88 | −0.5% Kimi K2.7 Code is 0.5% cheaper |
| End-to-end time (lower is better) | 12.48s | 47.33s | +279.2% Kimi K2.7 Code is 279.2% 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 (medium): 34.2% less intelligence, 0.5% less cost to run the AA benchmark, and 279.2% 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, MiMo-V2.6-Pro scores 46.30 for $207.
- Kimi K2.7 Code is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
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