DeepSeek V4 Flash Vision (Max) vs GPT-5.6 Luna (Non-reasoning)

Which is better for the money: DeepSeek V4 Flash Vision (Max) by DeepSeek or GPT-5.6 Luna (Non-reasoning) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.

Trade-off

DeepSeekDeepSeek V4 Flash Vision (Max)Off the frontier

Intelligence: 34.80
Total cost: $1081

OpenAIGPT-5.6 Luna (Non-reasoning)Off the frontier

Intelligence: 15.50
Total cost: $23.0

Verdict

Depends on your budget

DeepSeek V4 Flash Vision (Max) scores 19.3 points higher (34.8 vs 15.5) but costs 47× as much to run the benchmark ($1081 vs $23.0; premium vs budget cost classes). They are not alternatives at one budget: pick DeepSeek V4 Flash Vision (Max) when you need intelligence above 15.5, and GPT-5.6 Luna (Non-reasoning) when 15.5 is enough.

Metric	DeepSeek V4 Flash Vision (Max)	GPT-5.6 Luna (Non-reasoning)	Difference
Intelligence (higher is better)	34.8	15.5	−55.5% GPT-5.6 Luna (Non-rea… is 55.5% less intelligent
Total AA cost (lower is better)	$1,081.42	$22.97	−97.9% GPT-5.6 Luna (Non-rea… is 97.9% cheaper
End-to-end time (lower is better)	15.45s	5.06s	−67.2% GPT-5.6 Luna (Non-rea… is 67.2% faster
Price per 1M tokens (in / out)	$0.44 / $1.32	$0.20 / $1.20
Input modalities	Text, Image	Text, Image

GPT-5.6 Luna (Non-reasoning) vs DeepSeek V4 Flash Vision (Max): 55.5% less intelligence, 97.9% less cost to run the AA benchmark, and 67.2% faster end-to-end.

Open this matchup in the interactive picker DeepSeek V4 Flash Vision (Max): what beats it GPT-5.6 Luna (Non-reasoning): what beats it

Today's Pareto frontier

Against the frontier

DeepSeek V4 Flash Vision (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-5.6 Luna (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.

DeepSeek V4 Flash Vision (Max)GPT-5.6 Luna (Non-reasoning)Today's Pareto frontierEvery other model

Matchup

Compare something else

Agents: Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v4-flash-vision/gpt-5-6-luna-non-reasoning · Markdown: /api/v1/compare/deepseek-v4-flash-vision/gpt-5-6-luna-non-reasoning?format=md · llms.txt · agent skill