GPT-5.6 Sol (Xhigh) vs Kimi K3 (Max)
Which is better for the money: GPT-5.6 Sol (Xhigh) by OpenAI or Kimi K3 (Max) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Clear winner
Verdict
Pick GPT-5.6 Sol (Xhigh)
Kimi K3 (Max) vs GPT-5.6 Sol (Xhigh): 0.9% less intelligence, 75.7% more cost to run the AA benchmark, and 45.5% slower end-to-end.
| Metric | GPT-5.6 Sol (Xhigh) | Kimi K3 (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 44.0 | 43.6 | −0.9% Kimi K3 (Max) is 0.9% less intelligent |
| Total AA cost (lower is better) | $2,082.28 | $3,658.07 | +75.7% Kimi K3 (Max) is 75.7% more expensive |
| End-to-end time (lower is better) | 37.03s | 53.89s | +45.5% Kimi K3 (Max) is 45.5% slower |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
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 K3 (Max) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
GPT-5.6 Sol (Xhigh)Kimi K3 (Max)Today'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-k3 · Markdown: /api/v1/compare/gpt-5-6-sol-xhigh/kimi-k3?format=md · llms.txt · agent skill