GPT-6 Luna (Low) vs Qwen3.5 397B A17B (Reasoning)
Which is better for the money: GPT-6 Luna (Low) by OpenAI or Qwen3.5 397B A17B (Reasoning) by Alibaba? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-6 Luna (Low)
Qwen3.5 397B A17B (Reasoning) vs GPT-6 Luna (Low): 14.4% less intelligence, 8752.0% more cost to run the AA benchmark, and 807.2% slower end-to-end.
| Metric | GPT-6 Luna (Low) | Qwen3.5 397B A17B (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 21.5 | 18.4 | −14.4% Qwen3.5 397B A17B (Re… is 14.4% less intelligent |
| Total AA cost (lower is better) | $10.63 | $940.97 | +8752.0% Qwen3.5 397B A17B (Re… is 89× more expensive |
| End-to-end time (lower is better) | 7.26s | 65.86s | +807.2% Qwen3.5 397B A17B (Re… is 807.2% slower |
| Price per 1M tokens (in / out) | $0.10 / $0.50 | $0.60 / $3.60 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-6 Luna (Low) is on today's frontier: nothing is both smarter and cheaper.
- Qwen3.5 397B A17B (Reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-6 Luna (Low)Qwen3.5 397B A17B (Reasoning)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/gpt-6-luna-low/qwen3-5-397b-a17b · Markdown: /api/v1/compare/gpt-6-luna-low/qwen3-5-397b-a17b?format=md · llms.txt · agent skill