DeepSeek V4.1 Flash (Max) vs GPT-5.6 Terra (Xhigh)
Which is better for the money: DeepSeek V4.1 Flash (Max) by DeepSeek or GPT-5.6 Terra (Xhigh) 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 V4.1 Flash (Max)
GPT-5.6 Terra (Xhigh) vs DeepSeek V4.1 Flash (Max): 3.8% less intelligence, 125.8% more cost to run the AA benchmark, and 141.2% slower end-to-end.
| Metric | DeepSeek V4.1 Flash (Max) | GPT-5.6 Terra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.5 | 38.0 | −3.8% GPT-5.6 Terra (Xhigh) is 3.8% less intelligent |
| Total AA cost (lower is better) | $525.65 | $1,186.77 | +125.8% GPT-5.6 Terra (Xhigh) is 2.3× more expensive |
| End-to-end time (lower is better) | 15.08s | 36.37s | +141.2% GPT-5.6 Terra (Xhigh) is 141.2% slower |
| Price per 1M tokens (in / out) | $0.29 / $1.20 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
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 (High) scores 50.20 for $521.
- GPT-5.6 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
DeepSeek V4.1 Flash (Max)GPT-5.6 Terra (Xhigh)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-5-6-terra-xhigh · Markdown: /api/v1/compare/deepseek-v4-1-flash/gpt-5-6-terra-xhigh?format=md · llms.txt · agent skill