DeepSeek V4 Flash 0420 (Max) vs gpt-oss-120b (High)
Which is better for the money: DeepSeek V4 Flash 0420 (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 2026-10-24.
Trade-off
Verdict
Depends on your budget
DeepSeek V4 Flash 0420 (Max) scores 12.6 points higher (24.2 vs 11.6) but costs 1.2× as much to run the benchmark ($149 vs $123; both mid-range class). Pick DeepSeek V4 Flash 0420 (Max) when the extra intelligence is worth the premium, otherwise gpt-oss-120b (High).
| Metric | DeepSeek V4 Flash 0420 (Max) | gpt-oss-120b (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.2 | 11.6 | −52.1% gpt-oss-120b (High) is 52.1% less intelligent |
| Total AA cost (lower is better) | $149.48 | $122.71 | −17.9% gpt-oss-120b (High) is 17.9% cheaper |
| End-to-end time (lower is better) | 116.79s | 12.38s | −89.4% gpt-oss-120b (High) is 89.4% faster |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $0.15 / $0.60 | |
| Input modalities | Text | Text |
gpt-oss-120b (High) vs DeepSeek V4 Flash 0420 (Max): 52.1% less intelligence, 17.9% less cost to run the AA benchmark, and 89.4% faster end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0420 (Max) is off the frontier: at the same or lower cost, GPT-6 Luna (Max) scores 38.10 for $122.
- 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 (Max)gpt-oss-120b (High)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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