GPT-6 Luna (Non-reasoning) vs Mistral Small 3.1
Which is better for the money: GPT-6 Luna (Non-reasoning) by OpenAI or Mistral Small 3.1 by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-6 Luna (Non-reasoning)
Mistral Small 3.1 vs GPT-6 Luna (Non-reasoning): 61.6% less intelligence, 45.2% more cost to run the AA benchmark, and 107.3% slower end-to-end.
| Metric | GPT-6 Luna (Non-reasoning) | Mistral Small 3.1 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 18.5 | 7.1 | −61.6% Mistral Small 3.1 is 61.6% less intelligent |
| Total AA cost (lower is better) | $19.16 | $27.82 | +45.2% Mistral Small 3.1 is 45.2% more expensive |
| End-to-end time (lower is better) | 5.09s | 10.55s | +107.3% Mistral Small 3.1 is 107.3% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.08 / $0.14 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- Mistral Small 3.1 is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
GPT-6 Luna (Non-reasoning)Mistral Small 3.1Today'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-non-reasoning/mistral-small-3-1 · Markdown: /api/v1/compare/gpt-6-luna-non-reasoning/mistral-small-3-1?format=md · llms.txt · agent skill