GPT-5.4 (xhigh)
By OpenAI · released 2026-03-05 (4 months) · snapshot 2026-07-17
- Intelligence index
- 51.40
- Cost to run the AA index
- $2132
- Price per 1M tokens (in / out)
- $2.50 / $15.0
- End-to-end time
- 110.8s
Is GPT-5.4 (xhigh) on the Pareto frontier, and what beats it?
Off the frontier
No. GPT-5.6 Sol (xhigh) is at least as smart for the same money or less.
Next step up: GPT-5.6 Sol (max), smarter but dearer.
| # | Model | Creator | Intelligence | Total cost | E2E total | Open | Released | Frontier |
|---|---|---|---|---|---|---|---|---|
| 1 | GPT-5.4 (xhigh) | OpenAI | 51.40 | $2132 | 110.8s | 2026-03-05 | ||
| 2 | GPT-5.6 Sol (xhigh) | OpenAI | 57.70 | $1543 | 50.0s | 2026-07-09 | Frontier | |
| 3 | GPT-5.6 Sol (max) | OpenAI | 58.90 | $2824 | 148.1s | 2026-07-09 | Frontier |
Open in the picker Daily check URL: 200 on the frontier, 409 once beaten
GPT-5.4 (xhigh) today
1 of 3 effort levels plotted. The remaining levels lack intelligence or benchmark cost data.
Intelligence: Artificial Analysis Intelligence Index. Cost: total cost to run that benchmark, so reasoning tokens count. API id: gpt-5-4.
Compare head to head
Suggested: what beats it, its effort levels, and frontier models near its price.
What the GPT-5.4 release did to the frontier on 2026-03-05
1 of 3 effort levels reached the frontier at launch (GPT-5.4 (xhigh)). Impact 2.96, #10 of 34 releases this past year.
Should you use GPT-5.4 (xhigh)?
Should you use GPT-5.4 (xhigh)?
Only when it fits your setup: GPT-5.6 Sol (xhigh) is at least as smart for the same money or less, so GPT-5.4 (xhigh) is off the value frontier today.
What is better and cheaper than GPT-5.4 (xhigh)?
GPT-5.6 Sol (xhigh) — at least as smart for the same money or less.
How much does GPT-5.4 (xhigh) cost?
$2.50/$15 in/out per 1M tokens, and $2132 to run the full Artificial Analysis Intelligence Index, the honest all-in number for reasoning models.
Is GPT-5.4 (xhigh) on the Pareto frontier?
No: GPT-5.6 Sol (xhigh) beats it on intelligence, cost, or both.
Frontier membership by axis pair
Other axis pairs where GPT-5.4 (xhigh) is Pareto-optimal.
| Y axis | X axis | On the frontier |
|---|---|---|
| AA intelligence index | AA total cost to run (USD) | |
| AA intelligence index | End-to-end total seconds | |
| AA intelligence index | Output speed tokens/sec |
Accept: text/markdown or ?format=md returns this page as Markdown. JSON: /api/v1/models/gpt-5-4 · Markdown: /api/v1/models/gpt-5-4?format=md · llms.txt · agent skill