Grok 4.5 (high) vs Trinity Large Thinking
Which is better for the money: Grok 4.5 (high) by SpaceXAI or Trinity Large Thinking by Arcee AI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-08-19.
Trade-off
Verdict
Depends on your budget
Grok 4.5 (high) scores 37.1 points higher (55.8 vs 18.7) but costs 2.3× as much to run the benchmark ($579 vs $255; premium vs mid-range cost classes). Pick Grok 4.5 (high) when the extra intelligence is worth the premium, otherwise Trinity Large Thinking.
| Metric | Grok 4.5 (high) | Trinity Large Thinking | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 55.8 | 18.7 | −66.5% Trinity Large Thinking is 66.5% less intelligent |
| Total AA cost (lower is better) | $579.21 | $254.72 | −56.0% Trinity Large Thinking is 56.0% cheaper |
| End-to-end time (lower is better) | 24.07s | 14.08s | −41.5% Trinity Large Thinking is 41.5% faster |
| Price per 1M tokens (in / out) | $2.00 / $6.00 | $0.23 / $0.88 | |
| Input modalities | Not reported | Not reported |
Trinity Large Thinking vs Grok 4.5 (high): 66.5% less intelligence, 56.0% less cost to run the AA benchmark, and 41.5% faster end-to-end.
Today's Pareto frontier
Against the frontier
- Grok 4.5 (high) is off the frontier: at the same or lower cost, Gemini 3.7 Flash (high) scores 56.00 for $485.
- Trinity Large Thinking is off the frontier: at the same or lower cost, GPT-5.6 Luna (max) scores 52.30 for $172.
Grok 4.5 (high)Trinity Large ThinkingToday's Pareto frontierOpen-weights frontierEvery other model
Matchup
Compare something else
Agents:
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/compare/grok-4-5/trinity-large-thinking · Markdown: /api/v1/compare/grok-4-5/trinity-large-thinking?format=md · llms.txt · agent skill