DeepSeek V3 0324 vs GPT-6 Luna (Xhigh)

Which is better for the money: DeepSeek V3 0324 by DeepSeek or GPT-6 Luna (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.

Trade-off

DeepSeekDeepSeek V3 0324On the open-weights frontier

Intelligence: 9.70
Total cost: $19.4

OpenAIGPT-6 Luna (Xhigh)On the frontier

Intelligence: 34.60
Total cost: $66.8

Verdict

Depends on your budget

GPT-6 Luna (Xhigh) scores 24.9 points higher (34.6 vs 9.7) but costs 3.4× as much to run the benchmark ($66.8 vs $19.4; mid-range vs budget cost classes). They are not alternatives at one budget: pick GPT-6 Luna (Xhigh) when you need intelligence above 9.7, and DeepSeek V3 0324 when 9.7 is enough.

Metric	DeepSeek V3 0324	GPT-6 Luna (Xhigh)	Difference
Intelligence (higher is better)	9.7	34.6	+256.7% GPT-6 Luna (Xhigh) is 3.6× more intelligent
Total AA cost (lower is better)	$19.42	$66.81	+244.0% GPT-6 Luna (Xhigh) is 3.4× more expensive
End-to-end time (lower is better)	4.44s	31.80s	+616.2% GPT-6 Luna (Xhigh) is 616.2% slower
Price per 1M tokens (in / out)	$0.24 / $0.90	$0.10 / $0.50
Input modalities	Text	Text, Image

GPT-6 Luna (Xhigh) vs DeepSeek V3 0324: 256.7% more intelligence, 244.0% more cost to run the AA benchmark, and 616.2% slower end-to-end.

Open this matchup in the interactive picker DeepSeek V3 0324: what beats it GPT-6 Luna (Xhigh): what beats it

Today's Pareto frontier

Against the frontier

DeepSeek V3 0324 is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
GPT-6 Luna (Xhigh) is on today's frontier: nothing is both smarter and cheaper.

DeepSeek V3 0324GPT-6 Luna (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model

Matchup

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Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v3-0324/gpt-6-luna-xhigh · Markdown: /api/v1/compare/deepseek-v3-0324/gpt-6-luna-xhigh?format=md · llms.txt · agent skill