GPT-6.1 Terra (Xhigh) vs Quasar 438B (Max, Based on GLM-5.2)
Which is better for the money: GPT-6.1 Terra (Xhigh) by OpenAI or Quasar 438B (Max, Based on GLM-5.2) by Multiverse Computing? 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 18.7 points higher (45.4 vs 26.7) but costs 1.5× as much to run the benchmark ($365 vs $246; both mid-range class). Pick GPT-6.1 Terra (Xhigh) when the extra intelligence is worth the premium, otherwise Quasar 438B (Max, Based on GLM-5.2).
| Metric | GPT-6.1 Terra (Xhigh) | Quasar 438B (Max, Based on GLM-5.2) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.4 | 26.7 | −41.2% Quasar 438B (Max, Bas… is 41.2% less intelligent |
| Total AA cost (lower is better) | $364.95 | $246.48 | −32.5% Quasar 438B (Max, Bas… is 32.5% cheaper |
| End-to-end time (lower is better) | 18.82s | 15.66s | −16.8% Quasar 438B (Max, Bas… is 16.8% faster |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.11 / $0.33 | |
| Input modalities | Text, Image | Text |
Quasar 438B (Max, Based on GLM-5.2) vs GPT-6.1 Terra (Xhigh): 41.2% less intelligence, 32.5% less cost to run the AA benchmark, and 16.8% faster 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.
- Quasar 438B (Max, Based on GLM-5.2) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-6.1 Terra (Xhigh)Quasar 438B (Max, Based on GLM-5.2)Today's Pareto frontierEvery other model
Matchup
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Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/gpt-6-1-terra-xhigh/quasar-438b · Markdown: /api/v1/compare/gpt-6-1-terra-xhigh/quasar-438b?format=md · llms.txt · agent skill