DeepSeek V4 Flash 0420 (Max) vs GPT-6.1 Terra (Xhigh)
Which is better for the money: DeepSeek V4 Flash 0420 (Max) by DeepSeek or GPT-6.1 Terra (Xhigh) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-27.
Trade-off
Verdict
Depends on your budget
GPT-6.1 Terra (Xhigh) scores 21.2 points higher (45.4 vs 24.2) but costs 2.3× as much to run the benchmark ($365 vs $159; both mid-range class). Pick GPT-6.1 Terra (Xhigh) when the extra intelligence is worth the premium, otherwise DeepSeek V4 Flash 0420 (Max).
| Metric | DeepSeek V4 Flash 0420 (Max) | GPT-6.1 Terra (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.2 | 45.4 | +87.6% GPT-6.1 Terra (Xhigh) is 87.6% more intelligent |
| Total AA cost (lower is better) | $159.30 | $364.95 | +129.1% GPT-6.1 Terra (Xhigh) is 2.3× more expensive |
| End-to-end time (lower is better) | 99.17s | 18.82s | −81.0% GPT-6.1 Terra (Xhigh) is 81.0% faster |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $1.00 / $5.00 | |
| Input modalities | Text | Text, Image |
GPT-6.1 Terra (Xhigh) vs DeepSeek V4 Flash 0420 (Max): 87.6% more intelligence, 129.1% more cost to run the AA benchmark, and 81.0% faster end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V4 Flash 0420 (Max) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (Xhigh) scores 41.20 for $158.
- GPT-6.1 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
DeepSeek V4 Flash 0420 (Max)GPT-6.1 Terra (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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