DeepSeek V4 Flash 0420 (Max) vs GPT-6.1 Terra (Medium)
Which is better for the money: DeepSeek V4 Flash 0420 (Max) by DeepSeek or GPT-6.1 Terra (Medium) 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 (Medium) scores 17.1 points higher (41.3 vs 24.2) but costs 1.1× as much to run the benchmark ($175 vs $159; both mid-range class). Pick GPT-6.1 Terra (Medium) when the extra intelligence is worth the premium, otherwise DeepSeek V4 Flash 0420 (Max).
| Metric | DeepSeek V4 Flash 0420 (Max) | GPT-6.1 Terra (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.2 | 41.3 | +70.7% GPT-6.1 Terra (Medium) is 70.7% more intelligent |
| Total AA cost (lower is better) | $159.30 | $175.20 | +10.0% GPT-6.1 Terra (Medium) is 10.0% more expensive |
| End-to-end time (lower is better) | 99.17s | 6.93s | −93.0% GPT-6.1 Terra (Medium) is 93.0% faster |
| Price per 1M tokens (in / out) | $0.11 / $0.23 | $1.00 / $5.00 | |
| Input modalities | Text | Text, Image |
GPT-6.1 Terra (Medium) vs DeepSeek V4 Flash 0420 (Max): 70.7% more intelligence, 10.0% more cost to run the AA benchmark, and 93.0% 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 (Medium) is on today's frontier: nothing is both smarter and cheaper.
DeepSeek V4 Flash 0420 (Max)GPT-6.1 Terra (Medium)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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