DeepSeek V4.1 Flash (Max) vs GPT-5.5 (Xhigh)
Which is better for the money: DeepSeek V4.1 Flash (Max) by DeepSeek or GPT-5.5 (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Clear winner
Verdict
Pick DeepSeek V4.1 Flash (Max)
GPT-5.5 (Xhigh) vs DeepSeek V4.1 Flash (Max): 2.8% less intelligence, 687.9% more cost to run the AA benchmark, and 201.3% slower end-to-end.
| Metric | DeepSeek V4.1 Flash (Max) | GPT-5.5 (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 39.5 | 38.4 | −2.8% GPT-5.5 (Xhigh) is 2.8% less intelligent |
| Total AA cost (lower is better) | $671.96 | $5,294.36 | +687.9% GPT-5.5 (Xhigh) is 7.9× more expensive |
| End-to-end time (lower is better) | 14.92s | 44.96s | +201.3% GPT-5.5 (Xhigh) is 201.3% slower |
| Price per 1M tokens (in / out) | $0.29 / $1.20 | $5.00 / $30.0 | |
| 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 (Xhigh) scores 51.00 for $662.
- GPT-5.5 (Xhigh) is off the frontier: at the same or lower cost, Claude Opus 5.5 (Xhigh, Default Fallback) scores 56.00 for $4057.
DeepSeek V4.1 Flash (Max)GPT-5.5 (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/deepseek-v4-1-flash/gpt-5-5 · Markdown: /api/v1/compare/deepseek-v4-1-flash/gpt-5-5?format=md · llms.txt · agent skill