GPT-5.4 mini (Xhigh)+2 tiers

Name: GPT-5.4 mini (Xhigh)
Brand: OpenAI

GPT-5.4 mini (Xhigh) is developed by OpenAI, released 2026-03-17.

Also written as: GPT 5.4 mini (Xhigh)

Reasoning-effort tiers merged. This page shows the highest-intelligence tier. It merges 3 tiers of the same model: GPT-5.4 mini (Xhigh), GPT-5.4 mini (Medium), GPT-5.4 mini (Non-reasoning).

Input price

$0.75 / 1M tok

Output price

$4.50 / 1M tok

Blended price

$1.688 / 1M tok

Intelligence

24.1

81st percentile of 554 models with an Intelligence score

Coding

56.1

73rd percentile of 194 models with a Coding score

Math

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Speed

—

Time to first token

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Third-party resale listings

Captured 2026-10-20 from the reseller marketplace subrouter.ai's public pricing list. These are third-party resale prices, not OpenAI's official price. Many resellers use shared/subscription access or reverse-engineered integrations — availability and quality are not verified by this site. Prices are USD per 1M tokens. Reseller names are the marketplace's own listing IDs, not company names — none of them is OpenAI or any other model developer.

5 resellers passed our sanity checks against OpenAI's official price; cheapest trusted price $1.0125/1M blended.

Reseller (marketplace ID)	Input $/1M	Output $/1M	Blended $/1M	vs. official
ModelUnify	0.0221	0.1324	0.0496	3%	Likely subscription-resale / reverse-engineered
kuku	0.06	0.36	0.135	8%
a6aa	0.0665	0.399	0.1496	9%
000	0.0749	0.4491	0.1684	10%
xcgx	0.45	2.70	1.0125	60%

Resale listings: subrouter.ai public marketplace snapshot 2026-10-20.

Official pricing from OpenAI. See the third-party resale listings above for reseller prices — those are not official and not verified by this site.

See all of OpenAI's models on its provider page, or browse the full model directory.