Claude Opus 5.5 (Xhigh, Default Fallback) vs Qwen3.8 27B (Non-reasoning)
Which is better for the money: Claude Opus 5.5 (Xhigh, Default Fallback) by Anthropic or Qwen3.8 27B (Non-reasoning) by Alibaba? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-24.
Trade-off
Verdict
Depends on your budget
Claude Opus 5.5 (Xhigh, Default Fallbac… scores 35.8 points higher (56.0 vs 20.2) but costs 2.0× as much to run the benchmark ($4057 vs $2022; both flagship class). Pick Claude Opus 5.5 (Xhigh, Default Fallbac… when the extra intelligence is worth the premium, otherwise Qwen3.8 27B (Non-reasoning).
| Metric | Claude Opus 5.5 (Xhigh, Default Fallback) | Qwen3.8 27B (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 56.0 | 20.2 | −63.9% Qwen3.8 27B (Non-reas… is 63.9% less intelligent |
| Total AA cost (lower is better) | $4,056.65 | $2,022.49 | −50.1% Qwen3.8 27B (Non-reas… is 50.1% cheaper |
| End-to-end time (lower is better) | 123.06s | 14.07s | −88.6% Qwen3.8 27B (Non-reas… is 88.6% faster |
| Price per 1M tokens (in / out) | $4.00 / $20.0 | $0.50 / $3.00 | |
| Input modalities | Text, Image | Text, Image, Video |
Qwen3.8 27B (Non-reasoning) vs Claude Opus 5.5 (Xhigh, Default Fallback): 63.9% less intelligence, 50.1% less cost to run the AA benchmark, and 88.6% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Claude Opus 5.5 (Xhigh, Default Fallback) is on today's frontier: nothing is both smarter and cheaper.
- Qwen3.8 27B (Non-reasoning) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
Claude Opus 5.5 (Xhigh, Default Fallback)Qwen3.8 27B (Non-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/claude-opus-5-5-xhigh/qwen3-8-27b-non-reasoning · Markdown: /api/v1/compare/claude-opus-5-5-xhigh/qwen3-8-27b-non-reasoning?format=md · llms.txt · agent skill