GPT-6 Luna (Xhigh) vs Mistral Large 4 (Medium)
Which is better for the money: GPT-6 Luna (Xhigh) by OpenAI or Mistral Large 4 (Medium) by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-29.
Clear winner
Verdict
Pick GPT-6 Luna (Xhigh)
Mistral Large 4 (Medium) vs GPT-6 Luna (Xhigh): 0.9% less intelligence, 992.1% more cost to run the AA benchmark, and end-to-end time not fully reported.
| Metric | GPT-6 Luna (Xhigh) | Mistral Large 4 (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 23.3 | 23.1 | −0.9% Mistral Large 4 (Medi… is 0.9% less intelligent |
| Total AA cost (lower is better) | $85.74 | $936.36 | +992.1% Mistral Large 4 (Medi… is 11× more expensive |
| End-to-end time (lower is better) | 21.74s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.70 / $2.10 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Xhigh) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Medium) scores 24.60 for $72.7.
- Mistral Large 4 (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 52.30 for $718.
GPT-6 Luna (Xhigh)Mistral Large 4 (Medium)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-xhigh/mistral-large-4-medium · Markdown: /api/v1/compare/gpt-6-luna-xhigh/mistral-large-4-medium?format=md · llms.txt · agent skill