DeepSeek V4.1 Flash (Non-reasoning) vs GPT-5.6 Terra (High)
Which is better for the money: DeepSeek V4.1 Flash (Non-reasoning) by DeepSeek or GPT-5.6 Terra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Trade-off
Verdict
Depends on your budget
GPT-5.6 Terra (High) scores 9.5 points higher (34.2 vs 24.7) but costs 3.2× as much to run the benchmark ($768 vs $239; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.6 Terra (High) when you need intelligence above 24.7, and DeepSeek V4.1 Flash (Non-reasoning) when 24.7 is enough.
| Metric | DeepSeek V4.1 Flash (Non-reasoning) | GPT-5.6 Terra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.7 | 34.2 | +38.5% GPT-5.6 Terra (High) is 38.5% more intelligent |
| Total AA cost (lower is better) | $238.91 | $767.78 | +221.4% GPT-5.6 Terra (High) is 3.2× more expensive |
| End-to-end time (lower is better) | 2.88s | 6.58s | +128.5% GPT-5.6 Terra (High) is 128.5% slower |
| Price per 1M tokens (in / out) | $0.30 / $1.20 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Terra (High) vs DeepSeek V4.1 Flash (Non-reasoning): 38.5% more intelligence, 221.4% more cost to run the AA benchmark, and 128.5% slower end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V4.1 Flash (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
- GPT-5.6 Terra (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
DeepSeek V4.1 Flash (Non-reasoning)GPT-5.6 Terra (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-v4-1-flash-non-reasoning/gpt-5-6-terra-high · Markdown: /api/v1/compare/deepseek-v4-1-flash-non-reasoning/gpt-5-6-terra-high?format=md · llms.txt · agent skill