GPT-6.1 Terra (Xhigh) vs Granite 4.2 8B
Which is better for the money: GPT-6.1 Terra (Xhigh) by OpenAI or Granite 4.2 8B by IBM? 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 34.3 points higher (45.4 vs 11.1) but costs 6.9× as much to run the benchmark ($365 vs $53.1; both mid-range class). They are not alternatives at one budget: pick GPT-6.1 Terra (Xhigh) when you need intelligence above 11.1, and Granite 4.2 8B when 11.1 is enough.
| Metric | GPT-6.1 Terra (Xhigh) | Granite 4.2 8B | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 45.4 | 11.1 | −75.6% Granite 4.2 8B is 75.6% less intelligent |
| Total AA cost (lower is better) | $364.95 | $53.07 | −85.5% Granite 4.2 8B is 85.5% cheaper |
| End-to-end time (lower is better) | 18.82s | 63.71s | +238.5% Granite 4.2 8B is 238.5% slower |
| Price per 1M tokens (in / out) | $1.00 / $5.00 | $0.06 / $0.25 | |
| Input modalities | Text, Image | Text |
Granite 4.2 8B vs GPT-6.1 Terra (Xhigh): 75.6% less intelligence, 85.5% less cost to run the AA benchmark, and 238.5% 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.
- Granite 4.2 8B is off the frontier: at the same or lower cost, GPT-6 Luna (High) scores 32.90 for $47.9.
GPT-6.1 Terra (Xhigh)Granite 4.2 8BToday'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-6-1-terra-xhigh/granite-4-2-8b · Markdown: /api/v1/compare/gpt-6-1-terra-xhigh/granite-4-2-8b?format=md · llms.txt · agent skill