DeepSeek V4.1 Flash (Non-reasoning) vs GPT-5.5 (High)
Which is better for the money: DeepSeek V4.1 Flash (Non-reasoning) by DeepSeek or GPT-5.5 (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
GPT-5.5 (High) scores 12.3 points higher (37.0 vs 24.7) but costs 14× as much to run the benchmark ($3411 vs $239; flagship vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.5 (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-5.5 (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.7 | 37.0 | +49.8% GPT-5.5 (High) is 49.8% more intelligent |
| Total AA cost (lower is better) | $238.91 | $3,410.76 | +1327.6% GPT-5.5 (High) is 14× more expensive |
| End-to-end time (lower is better) | 2.61s | 19.79s | +658.2% GPT-5.5 (High) is 658.2% slower |
| Price per 1M tokens (in / out) | $0.30 / $1.20 | $5.00 / $30.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.5 (High) vs DeepSeek V4.1 Flash (Non-reasoning): 49.8% more intelligence, 1327.6% more cost to run the AA benchmark, and 658.2% 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-5.5 (High) is off the frontier: at the same or lower cost, Kimi K3.1 Pro scores 55.10 for $3117.
DeepSeek V4.1 Flash (Non-reasoning)GPT-5.5 (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-5-5-high · Markdown: /api/v1/compare/deepseek-v4-1-flash-non-reasoning/gpt-5-5-high?format=md · llms.txt · agent skill