DeepSeek V4.1 Flash (Max) vs gpt-oss-120b (High)
Which is better for the money: DeepSeek V4.1 Flash (Max) by DeepSeek or gpt-oss-120b (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
DeepSeek V4.1 Flash (Max) scores 27.9 points higher (39.5 vs 11.6) but costs 5.5× as much to run the benchmark ($672 vs $123; premium vs mid-range cost classes). They are not alternatives at one budget: pick DeepSeek V4.1 Flash (Max) when you need intelligence above 11.6, and gpt-oss-120b (High) when 11.6 is enough.
| Metric | DeepSeek V4.1 Flash (Max) | gpt-oss-120b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.5 | 11.6 | −70.6% gpt-oss-120b (High) is 70.6% less intelligent |
| Total AA cost (lower is better) | $671.96 | $122.71 | −81.7% gpt-oss-120b (High) is 81.7% cheaper |
| End-to-end time (lower is better) | 15.00s | 11.44s | −23.7% gpt-oss-120b (High) is 23.7% faster |
| Price per 1M tokens (in / out) | $0.29 / $1.20 | $0.15 / $0.60 | |
| Input modalities | Text, Image | Text |
gpt-oss-120b (High) vs DeepSeek V4.1 Flash (Max): 70.6% less intelligence, 81.7% less cost to run the AA benchmark, and 23.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V4.1 Flash (Max) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
- gpt-oss-120b (High) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
DeepSeek V4.1 Flash (Max)gpt-oss-120b (High)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/gpt-oss-120b · Markdown: /api/v1/compare/deepseek-v4-1-flash/gpt-oss-120b?format=md · llms.txt · agent skill