GPT-6 Luna (High) vs Kimi K3 (Low)
Which is better for the money: GPT-6 Luna (High) by OpenAI or Kimi K3 (Low) by Kimi? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick GPT-6 Luna (High)
Kimi K3 (Low) vs GPT-6 Luna (High): 8.5% less intelligence, 2387.8% more cost to run the AA benchmark, and 433.6% slower end-to-end.
| Metric | GPT-6 Luna (High) | Kimi K3 (Low) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.9 | 30.1 | −8.5% Kimi K3 (Low) is 8.5% less intelligent |
| Total AA cost (lower is better) | $47.85 | $1,190.42 | +2387.8% Kimi K3 (Low) is 25× more expensive |
| End-to-end time (lower is better) | 12.43s | 66.33s | +433.6% Kimi K3 (Low) is 433.6% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $3.00 / $15.0 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (High) is on today's frontier: nothing is both smarter and cheaper.
- Kimi K3 (Low) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-6 Luna (High)Kimi K3 (Low)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-6-luna-high/kimi-k3-low · Markdown: /api/v1/compare/gpt-6-luna-high/kimi-k3-low?format=md · llms.txt · agent skill