GPT-6.1 Terra (Xhigh) vs Qwen3.5 9B (Reasoning)
Which is better for the money: GPT-6.1 Terra (Xhigh) by OpenAI or Qwen3.5 9B (Reasoning) 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
GPT-6.1 Terra (Xhigh) scores 34.2 points higher (45.4 vs 11.2) but costs 1.1× as much to run the benchmark ($365 vs $329; both mid-range class). Pick GPT-6.1 Terra (Xhigh) when the extra intelligence is worth the premium, otherwise Qwen3.5 9B (Reasoning).
| Metric | GPT-6.1 Terra (Xhigh) | Qwen3.5 9B (Reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.4 | 11.2 | −75.3% Qwen3.5 9B (Reasoning) is 75.3% less intelligent |
| Total AA cost (lower is better) | $364.95 | $328.86 | −9.9% Qwen3.5 9B (Reasoning) is 9.9% cheaper |
| End-to-end time (lower is better) | 18.82s | 43.79s | +132.7% Qwen3.5 9B (Reasoning) is 132.7% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.14 / $0.20 | |
| Input modalities | Text, Image | Text, Image, Video |
Qwen3.5 9B (Reasoning) vs GPT-6.1 Terra (Xhigh): 75.3% less intelligence, 9.9% less cost to run the AA benchmark, and 132.7% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-6.1 Terra (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- Qwen3.5 9B (Reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-6.1 Terra (Xhigh)Qwen3.5 9B (Reasoning)Today's Pareto frontierOpen-weights frontierEvery other model
Matchup
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