GPT-5.4 mini (Xhigh) vs LongCat 2.0
Which is better for the money: GPT-5.4 mini (Xhigh) by OpenAI or LongCat 2.0 by LongCat? Intelligence, total benchmark cost, and end-to-end time from Artificial Analysis & other sources, snapshot 2026-10-25.
Trade-off
Verdict
Depends on your budget
GPT-5.4 mini (Xhigh) scores 5.0 points higher (24.1 vs 19.1) but costs 2.8× as much to run the benchmark ($1524 vs $545; both premium class). Pick GPT-5.4 mini (Xhigh) when the extra intelligence is worth the premium, otherwise LongCat 2.0.
| Metric | GPT-5.4 mini (Xhigh) | LongCat 2.0 | Difference |
|---|---|---|---|
| Intelligence (higher is better) | 24.1 | 19.1 | −20.7% LongCat 2.0 is 20.7% less intelligent |
| Total AA cost (lower is better) | $1,524.02 | $544.74 | −64.3% LongCat 2.0 is 64.3% cheaper |
| End-to-end time (lower is better) | 115.75s | 35.51s | −69.3% LongCat 2.0 is 69.3% faster |
| Price per 1M tokens (in / out) | $0.75 / $4.50 | $0.75 / $2.95 | |
| Input modalities | Text, Image | Text |
LongCat 2.0 vs GPT-5.4 mini (Xhigh): 20.7% less intelligence, 64.3% less cost to run the AA benchmark, and 69.3% 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.
- LongCat 2.0 is off the frontier: at the same or lower cost, GPT-6.1 Sol (High) scores 50.20 for $521.
GPT-5.4 mini (Xhigh)LongCat 2.0Today'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-5-4-mini/longcat-2-0 · Markdown: /api/v1/compare/gpt-5-4-mini/longcat-2-0?format=md · llms.txt · agent skill