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

Which is better for the money: GPT-6 Luna (High) by OpenAI or Ministral 3 3B by Mistral? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.

Trade-off

OpenAIGPT-6 Luna (High)On the frontier

Intelligence: 32.90
Total cost: $47.9

MistralMinistral 3 3BOn the open-weights frontier

Intelligence: 4.80
Total cost: $12.2

Verdict

Depends on your budget

GPT-6 Luna (High) scores 28.1 points higher (32.9 vs 4.8) but costs 3.9× as much to run the benchmark ($47.9 vs $12.2; both budget class). They are not alternatives at one budget: pick GPT-6 Luna (High) when you need intelligence above 4.8, and Ministral 3 3B when 4.8 is enough.

Metric	GPT-6 Luna (High)	Ministral 3 3B	Difference
Intelligence (higher is better)	32.9	4.8	−85.4% Ministral 3 3B is 85.4% less intelligent
Total AA cost (lower is better)	$47.85	$12.23	−74.4% Ministral 3 3B is 74.4% cheaper
End-to-end time (lower is better)	21.41s	3.29s	−84.6% Ministral 3 3B is 84.6% 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 (High): 85.4% less intelligence, 74.4% less cost to run the AA benchmark, and 84.6% faster end-to-end.

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

Today's Pareto frontier

Against the frontier

GPT-6 Luna (High) 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 (High)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-high/ministral-3-3b · Markdown: /api/v1/compare/gpt-6-luna-high/ministral-3-3b?format=md · llms.txt · agent skill