DeepSeek V3 (Dec '24) vs GPT-6.1 Terra (Medium)
Which is better for the money: DeepSeek V3 (Dec '24) 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 32.8 points higher (41.3 vs 8.5) but costs 6.9× as much to run the benchmark ($175 vs $25.4; mid-range vs budget cost classes). They are not alternatives at one budget: pick GPT-6.1 Terra (Medium) when you need intelligence above 8.5, and DeepSeek V3 (Dec '24) when 8.5 is enough.
| Metric | DeepSeek V3 (Dec '24) | GPT-6.1 Terra (Medium) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 8.5 | 41.3 | +385.9% GPT-6.1 Terra (Medium) is 4.9× more intelligent |
| Total AA cost (lower is better) | $25.37 | $175.20 | +590.6% GPT-6.1 Terra (Medium) is 6.9× more expensive |
| End-to-end time (lower is better) | 12.43s | 6.93s | −44.2% GPT-6.1 Terra (Medium) is 44.2% faster |
| Price per 1M tokens (in / out) | $0.32 / $0.89 | $1.00 / $5.00 | |
| Input modalities | Text | Text, Image |
GPT-6.1 Terra (Medium) vs DeepSeek V3 (Dec '24): 385.9% more intelligence, 590.6% more cost to run the AA benchmark, and 44.2% faster end-to-end.
Today's Pareto frontier
Against the frontier
- DeepSeek V3 (Dec '24) is off the frontier: at the same or lower cost, GPT-6 Luna (Low) scores 21.50 for $10.6.
- GPT-6.1 Terra (Medium) is on today's frontier: nothing is both smarter and cheaper.
DeepSeek V3 (Dec '24)GPT-6.1 Terra (Medium)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-v3/gpt-6-1-terra-medium · Markdown: /api/v1/compare/deepseek-v3/gpt-6-1-terra-medium?format=md · llms.txt · agent skill