DeepSeek V4.1 Flash (Non-reasoning) vs GPT-6 Luna (Xhigh)
Which is better for the money: DeepSeek V4.1 Flash (Non-reasoning) 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.
Clear winner
Verdict
Pick GPT-6 Luna (Xhigh)
GPT-6 Luna (Xhigh) vs DeepSeek V4.1 Flash (Non-reasoning): 40.1% more intelligence, 65.5% less cost to run the AA benchmark, and 992.8% slower end-to-end.
| Metric | DeepSeek V4.1 Flash (Non-reasoning) | GPT-6 Luna (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.7 | 34.6 | +40.1% GPT-6 Luna (Xhigh) is 40.1% more intelligent |
| Total AA cost (lower is better) | $193.84 | $66.81 | −65.5% GPT-6 Luna (Xhigh) is 65.5% cheaper |
| End-to-end time (lower is better) | 2.91s | 31.80s | +992.8% GPT-6 Luna (Xhigh) is 992.8% slower |
| Price per 1M tokens (in / out) | $0.30 / $1.20 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- DeepSeek V4.1 Flash (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Terra (Medium) scores 41.30 for $175.
- GPT-6 Luna (Xhigh) is on today's frontier: nothing is both smarter and cheaper.
DeepSeek V4.1 Flash (Non-reasoning)GPT-6 Luna (Xhigh)Today'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/deepseek-v4-1-flash-non-reasoning/gpt-6-luna-xhigh · Markdown: /api/v1/compare/deepseek-v4-1-flash-non-reasoning/gpt-6-luna-xhigh?format=md · llms.txt · agent skill