DeepSeek V4 Flash 0731 (Max) vs gpt-oss-120b (High)
Which is better for the money: DeepSeek V4 Flash 0731 (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 Flash 0731 (Max) scores 22.7 points higher (34.3 vs 11.6) but costs 1.6× as much to run the benchmark ($200 vs $123; both mid-range class). Pick DeepSeek V4 Flash 0731 (Max) when the extra intelligence is worth the premium, otherwise gpt-oss-120b (High).
| Metric | DeepSeek V4 Flash 0731 (Max) | gpt-oss-120b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.3 | 11.6 | −66.2% gpt-oss-120b (High) is 66.2% less intelligent |
| Total AA cost (lower is better) | $199.63 | $122.71 | −38.5% gpt-oss-120b (High) is 38.5% cheaper |
| End-to-end time (lower is better) | 17.63s | 11.61s | −34.1% gpt-oss-120b (High) is 34.1% faster |
| Price per 1M tokens (in / out) | $0.14 / $0.28 | $0.15 / $0.60 | |
| Input modalities | Text | Text |
gpt-oss-120b (High) vs DeepSeek V4 Flash 0731 (Max): 66.2% less intelligence, 38.5% less cost to run the AA benchmark, and 34.1% faster end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0731 (Max) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
- 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 Flash 0731 (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-flash/gpt-oss-120b · Markdown: /api/v1/compare/deepseek-v4-flash/gpt-oss-120b?format=md · llms.txt · agent skill