DeepSeek V4.1 Flash 1017 (Non-reasoning) vs GPT-6 Luna (Medium)
Which is better for the money: DeepSeek V4.1 Flash 1017 (Non-reasoning) by DeepSeek or GPT-6 Luna (Medium) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-31.
Depends on your budget
DeepSeek V4.1 Flash 1017 (Non-reasoning) scores 0.2 points higher (18.5 vs 18.3) but costs 7.8× as much to run the benchmark ($310 vs $39.5; mid-range vs budget cost classes). They are not alternatives at one budget: pick DeepSeek V4.1 Flash 1017 (Non-reasoning) when you need intelligence above 18.3, and GPT-6 Luna (Medium) when 18.3 is enough.
| Metric | DeepSeek V4.1 Flash 1017 (Non-reasoning) | GPT-6 Luna (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 18.5 | 18.3 | −1.1% GPT-6 Luna (Medium) is 1.1% less intelligent |
| Total AA cost (lower is better) | $310.24 | $39.55 | −87.3% GPT-6 Luna (Medium) is 87.3% cheaper |
| End-to-end time (lower is better) | 4.11s | Not reported | — not comparable |
| Price per 1M tokens (in / out) | $0.30 / $1.20 | $0.10 / $0.50 | |
| Input modalities | Text, Image | Text, Image |
GPT-6 Luna (Medium) vs DeepSeek V4.1 Flash 1017 (Non-reasoning): 1.1% less intelligence, 87.3% less cost to run the AA benchmark, and end-to-end time not fully reported.
Against the frontier
- DeepSeek V4.1 Flash 1017 (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Terra (High) scores 42.30 for $267.
- GPT-6 Luna (Medium) is on today's frontier: nothing is both smarter and cheaper.
Compare something else
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v4-1-flash-1017-non-reasoning/gpt-6-luna-medium · Markdown: /api/v1/compare/deepseek-v4-1-flash-1017-non-reasoning/gpt-6-luna-medium?format=md · llms.txt · agent skill