GPT-5.4 mini (Xhigh) vs GPT-5.6 Terra (Non-reasoning)
Which is better for the money: GPT-5.4 mini (Xhigh) by OpenAI or GPT-5.6 Terra (Non-reasoning) by OpenAI? 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-5.4 mini (Xhigh) scores 3.3 points higher (24.1 vs 20.8) but costs 5.3× as much to run the benchmark ($1349 vs $256; premium vs mid-range cost classes). They are not alternatives at one budget: pick GPT-5.4 mini (Xhigh) when you need intelligence above 20.8, and GPT-5.6 Terra (Non-reasoning) when 20.8 is enough.
| Metric | GPT-5.4 mini (Xhigh) | GPT-5.6 Terra (Non-reasoning) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.1 | 20.8 | −13.7% GPT-5.6 Terra (Non-re… is 13.7% less intelligent |
| Total AA cost (lower is better) | $1,349.15 | $255.77 | −81.0% GPT-5.6 Terra (Non-re… is 81.0% cheaper |
| End-to-end time (lower is better) | 150.22s | 4.90s | −96.7% GPT-5.6 Terra (Non-re… is 96.7% faster |
| Price per 1M tokens (in / out) | $0.75 / $4.50 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
GPT-5.6 Terra (Non-reasoning) vs GPT-5.4 mini (Xhigh): 13.7% less intelligence, 81.0% less cost to run the AA benchmark, and 96.7% faster end-to-end.
Today's Pareto frontier
Against the frontier
- GPT-5.4 mini (Xhigh) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Max) scores 51.80 for $1082.
- GPT-5.6 Terra (Non-reasoning) is off the frontier: at the same or lower cost, MiMo-V2.6-Pro scores 46.30 for $207.
GPT-5.4 mini (Xhigh)GPT-5.6 Terra (Non-reasoning)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-5-4-mini/gpt-5-6-terra-non-reasoning · Markdown: /api/v1/compare/gpt-5-4-mini/gpt-5-6-terra-non-reasoning?format=md · llms.txt · agent skill