GPT-5.6 Terra (Medium) vs Trinity Large Thinking
Which is better for the money: GPT-5.6 Terra (Medium) by OpenAI or Trinity Large Thinking by Arcee AI? 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
GPT-5.6 Terra (Medium) scores 19.3 points higher (30.1 vs 10.8) but costs 1.9× as much to run the benchmark ($447 vs $233; both mid-range class). Pick GPT-5.6 Terra (Medium) when the extra intelligence is worth the premium, otherwise Trinity Large Thinking.
| Metric | GPT-5.6 Terra (Medium) | Trinity Large Thinking | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 30.1 | 10.8 | −64.1% Trinity Large Thinking is 64.1% less intelligent |
| Total AA cost (lower is better) | $446.53 | $232.95 | −47.8% Trinity Large Thinking is 47.8% cheaper |
| End-to-end time (lower is better) | 5.85s | 8.30s | +41.9% Trinity Large Thinking is 41.9% slower |
| Price per 1M tokens (in / out) | $2.00 / $12.0 | $0.25 / $0.80 | |
| Input modalities | Text, Image | Text |
Trinity Large Thinking vs GPT-5.6 Terra (Medium): 64.1% less intelligence, 47.8% less cost to run the AA benchmark, and 41.9% slower end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.6 Terra (Medium) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Medium) scores 47.80 for $361.
- Trinity Large Thinking is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.6 Terra (Medium)Trinity Large ThinkingToday'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-5-6-terra-medium/trinity-large-thinking · Markdown: /api/v1/compare/gpt-5-6-terra-medium/trinity-large-thinking?format=md · llms.txt · agent skill