GPT-6 Luna (Medium) vs Ministral 3 3B

Which is better for the money: GPT-6 Luna (Medium) by OpenAI or Ministral 3 3B by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.

Trade-off

OpenAIGPT-6 Luna (Medium)On the frontier

Intelligence: 29.90
Total cost: $31.2

MistralMinistral 3 3BOn the open-weights frontier

Intelligence: 4.80
Total cost: $12.2

Verdict

Depends on your budget

GPT-6 Luna (Medium) scores 25.1 points higher (29.9 vs 4.8) but costs 2.5× as much to run the benchmark ($31.2 vs $12.2; both budget class). Pick GPT-6 Luna (Medium) when the extra intelligence is worth the premium, otherwise Ministral 3 3B.

Metric	GPT-6 Luna (Medium)	Ministral 3 3B	Difference
Intelligence (higher is better)	29.9	4.8	−83.9% Ministral 3 3B is 83.9% less intelligent
Total AA cost (lower is better)	$31.17	$12.23	−60.8% Ministral 3 3B is 60.8% cheaper
End-to-end time (lower is better)	8.25s	3.07s	−62.8% Ministral 3 3B is 62.8% faster
Price per 1M tokens (in / out)	$0.10 / $0.50	$0.10 / $0.10
Input modalities	Text, Image	Text, Image

Ministral 3 3B vs GPT-6 Luna (Medium): 83.9% less intelligence, 60.8% less cost to run the AA benchmark, and 62.8% faster end-to-end.

Open this matchup in the interactive picker GPT-6 Luna (Medium): what beats it Ministral 3 3B: what beats it

Today's Pareto frontier

Against the frontier

GPT-6 Luna (Medium) is on today's frontier: nothing is both smarter and cheaper.
Ministral 3 3B is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.

GPT-6 Luna (Medium)Ministral 3 3BToday'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-luna-medium/ministral-3-3b · Markdown: /api/v1/compare/gpt-6-luna-medium/ministral-3-3b?format=md · llms.txt · agent skill