GPT-5.4 mini (Xhigh) vs GPT-5.6 Terra (High)
Which is better for the money: GPT-5.4 mini (Xhigh) by OpenAI or GPT-5.6 Terra (High) by OpenAI? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-26.
Clear winner
Verdict
Pick GPT-5.6 Terra (High)
GPT-5.6 Terra (High) vs GPT-5.4 mini (Xhigh): 41.9% more intelligence, 49.6% less cost to run the AA benchmark, and 94.1% faster end-to-end.
| Metric | GPT-5.4 mini (Xhigh) | GPT-5.6 Terra (High) | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.1 | 34.2 | +41.9% GPT-5.6 Terra (High) is 41.9% more intelligent |
| Total AA cost (lower is better) | $1,524.02 | $767.78 | −49.6% GPT-5.6 Terra (High) is 49.6% cheaper |
| End-to-end time (lower is better) | 108.46s | 6.43s | −94.1% GPT-5.6 Terra (High) is 94.1% faster |
| Price per 1M tokens (in / out) | $0.75 / $4.50 | $2.00 / $12.0 | |
| Input modalities | Text, Image | Text, Image |
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 (High) is off the frontier: at the same or lower cost, GPT-6.1 Sol (Xhigh) scores 51.00 for $662.
GPT-5.4 mini (Xhigh)GPT-5.6 Terra (High)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-high · Markdown: /api/v1/compare/gpt-5-4-mini/gpt-5-6-terra-high?format=md · llms.txt · agent skill