GPT-6.1 Sol (Xhigh) vs Kimi K3 (Max)

Which is better for the money: GPT-6.1 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 2026-10-24.

Clear winner

OpenAIGPT-6.1 Sol (Xhigh)On the frontier

Intelligence: 51.00
Total cost: $662

KimiKimi K3 (Max)Off the frontier

Intelligence: 43.60
Total cost: $3658

Verdict

Pick GPT-6.1 Sol (Xhigh)

Kimi K3 (Max) vs GPT-6.1 Sol (Xhigh): 14.5% less intelligence, 452.3% more cost to run the AA benchmark, and 26.9% faster end-to-end.

Metric	GPT-6.1 Sol (Xhigh)	Kimi K3 (Max)	Difference
Intelligence (higher is better)	51.0	43.6	−14.5% Kimi K3 (Max) is 14.5% less intelligent
Total AA cost (lower is better)	$662.28	$3,658.07	+452.3% Kimi K3 (Max) is 5.5× more expensive
End-to-end time (lower is better)	86.31s	63.08s	−26.9% Kimi K3 (Max) is 26.9% faster
Price per 1M tokens (in / out)	$2.00 / $10.0	$3.00 / $15.0
Input modalities	Text, Image	Text, Image

Open this matchup in the interactive picker GPT-6.1 Sol (Xhigh): what beats it Kimi K3 (Max): what beats it

Today's Pareto frontier

Against the frontier

GPT-6.1 Sol (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
Kimi K3 (Max) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.

GPT-6.1 Sol (Xhigh)Kimi K3 (Max)Today's Pareto frontierOpen-weights frontierEvery other model

Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-1-sol-xhigh/kimi-k3 · Markdown: /api/v1/compare/gpt-6-1-sol-xhigh/kimi-k3?format=md · llms.txt · agent skill