GPT-6 Luna (High) vs Qwen3.8 27B (Xhigh)
Which is better for the money: GPT-6 Luna (High) by OpenAI or Qwen3.8 27B (Xhigh) by Alibaba? 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
Qwen3.8 27B (Xhigh) scores 0.8 points higher (33.7 vs 32.9) but costs 30× as much to run the benchmark ($1459 vs $47.9; premium vs budget cost classes). They are not alternatives at one budget: pick Qwen3.8 27B (Xhigh) when you need intelligence above 32.9, and GPT-6 Luna (High) when 32.9 is enough.
| Metric | GPT-6 Luna (High) | Qwen3.8 27B (Xhigh) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.9 | 33.7 | +2.4% Qwen3.8 27B (Xhigh) is 2.4% more intelligent |
| Total AA cost (lower is better) | $47.85 | $1,458.94 | +2949.0% Qwen3.8 27B (Xhigh) is 30× more expensive |
| End-to-end time (lower is better) | 21.41s | 64.02s | +199.0% Qwen3.8 27B (Xhigh) is 199.0% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.50 / $3.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Qwen3.8 27B (Xhigh) vs GPT-6 Luna (High): 2.4% more intelligence, 2949.0% more cost to run the AA benchmark, and 199.0% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (High) is on today's frontier: nothing is both smarter and cheaper.
- Qwen3.8 27B (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
GPT-6 Luna (High)Qwen3.8 27B (Xhigh)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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