DeepSeek V4 Flash 0731 (Max) vs GPT-5.6 Terra (Max)
Which is better for the money: DeepSeek V4 Flash 0731 (Max) by DeepSeek or GPT-5.6 Terra (Max) 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
GPT-5.6 Terra (Max) scores 7.8 points higher (42.1 vs 34.3) but costs 13× as much to run the benchmark ($2501 vs $200; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Terra (Max) when you need intelligence above 34.3, and DeepSeek V4 Flash 0731 (Max) when 34.3 is enough.
| Metric | DeepSeek V4 Flash 0731 (Max) | GPT-5.6 Terra (Max) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 34.3 | 42.1 | +22.7% GPT-5.6 Terra (Max) is 22.7% more intelligent |
| Total AA cost (lower is better) | $199.63 | $2,500.72 | +1152.7% GPT-5.6 Terra (Max) is 13× more expensive |
| End-to-end time (lower is better) | 18.07s | 107.91s | +497.2% GPT-5.6 Terra (Max) is 497.2% slower |
| Price per 1M tokens (in / out) | $0.14 / $0.28 | $2.00 / $12.0 | |
| Input modalities | Text | Text, Image |
GPT-5.6 Terra (Max) vs DeepSeek V4 Flash 0731 (Max): 22.7% more intelligence, 1152.7% more cost to run the AA benchmark, and 497.2% slower 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-5.6 Terra (Max) is off the frontier: at the same or lower cost, Claude Opus 5.5 (High, Default Fallback) scores 53.60 for $2172.
DeepSeek V4 Flash 0731 (Max)GPT-5.6 Terra (Max)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-5-6-terra · Markdown: /api/v1/compare/deepseek-v4-flash/gpt-5-6-terra?format=md · llms.txt · agent skill