DeepSeek V4 Flash 0420 (High) vs gpt-oss-120b (High)
Which is better for the money: DeepSeek V4 Flash 0420 (High) by DeepSeek or gpt-oss-120b (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick DeepSeek V4 Flash 0420 (High)
gpt-oss-120b (High) vs DeepSeek V4 Flash 0420 (High): 52.5% less intelligence, 1.2% more cost to run the AA benchmark, and end-to-end time not fully reported.
| Metric | DeepSeek V4 Flash 0420 (High) | gpt-oss-120b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.4 | 11.6 | −52.5% gpt-oss-120b (High) is 52.5% less intelligent |
| Total AA cost (lower is better) | $121.20 | $122.71 | +1.2% gpt-oss-120b (High) is 1.2% more expensive |
| End-to-end time (lower is better) | Not reported | 11.29s | — not comparable |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $0.15 / $0.60 | |
| Input modalities | Text | Text |
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0420 (High) is off the frontier: at the same or lower cost, MiMo-V2.6-Flash scores 37.90 for $110.
- 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 0420 (High)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-0420-high/gpt-oss-120b · Markdown: /api/v1/compare/deepseek-v4-flash-0420-high/gpt-oss-120b?format=md · llms.txt · agent skill