GPT-5.6 Luna (High) vs Qwen3.5 397B A17B (Reasoning)
Which is better for the money: GPT-5.6 Luna (High) 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 2026-10-27.
Clear winner
Verdict
Pick GPT-5.6 Luna (High)
Qwen3.5 397B A17B (Reasoning) vs GPT-5.6 Luna (High): 42.7% less intelligence, 770.1% more cost to run the AA benchmark, and 291.4% slower end-to-end.
| Metric | GPT-5.6 Luna (High) | Qwen3.5 397B A17B (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 32.1 | 18.4 | −42.7% Qwen3.5 397B A17B (Re… is 42.7% less intelligent |
| Total AA cost (lower is better) | $108.15 | $940.97 | +770.1% Qwen3.5 397B A17B (Re… is 8.7× more expensive |
| End-to-end time (lower is better) | 16.69s | 65.32s | +291.4% Qwen3.5 397B A17B (Re… is 291.4% slower |
| Price per 1M tokens (in / out) | $0.20 / $1.20 | $0.60 / $3.60 | |
| Input modalities | Text, Image | Text, Image |
Today's Pareto frontier
Against the frontier
- GPT-5.6 Luna (High) is off the frontier: at the same or lower cost, Claude Haiku 5.5 (High) scores 37.80 for $94.1.
- 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-5.6 Luna (High)Qwen3.5 397B A17B (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-5-6-luna-high/qwen3-5-397b-a17b · Markdown: /api/v1/compare/gpt-5-6-luna-high/qwen3-5-397b-a17b?format=md · llms.txt · agent skill