How much does GPT-5.4 Mini cost per token?

GPT-5.4 Mini is priced at $0.75 per million input tokens and $4.50 per million output tokens, per OpenRouter as of Aug 6, 2026.

What is GPT-5.4 Mini's context window?

GPT-5.4 Mini supports a context window of up to 400K tokens, per OpenAI.

How widely used is GPT-5.4 Mini?

GPT-5.4 Mini accounts for about 0.2% of tracked OpenRouter coding-token volume as of Aug 5, 2026.

What are the alternatives to GPT-5.4 Mini?

By OpenRouter usage, comparable models include DeepSeek V4 Flash, Hy3, and Nemotron 3 Ultra. Side-by-side comparisons are linked in the alternatives table.

ModelsOpenAI

GPT-5.4 Mini

Name: GPT-5.4 Mini
Author: OpenAI

openrouter price docs

Context

400K

tokens

Released

Mar 17, 2026

on OpenRouter

Token share

0.2%

OpenRouter · Aug 5, 2026

Pricing

Price per million tokens

Input $/MTok

$0.75100%

OpenRouter · Aug 6, 2026

Output $/MTok

$4.50100%

OpenRouter · Aug 6, 2026

Cache read $/MTok

$0.075

OpenRouter

Current GPT-5.4 Mini prices per million tokens across tracked sources.
Source	Tracked slug	In $/MTok	Out $/MTok	Cache read	Cache write	Context	Effective	Last Δ (in)
OpenRouter	openai/gpt-5.4-mini	$0.75	$4.50	$0.075	—	400K	Aug 6, 2026	100%
models.dev	kenari/gpt-5-4-mini	$0.00	$0.00	—	—	400K	Aug 6, 2026	100%
llm-prices.com	gpt-5.4-mini	$0.75	$4.50	$0.075	—	—	Aug 5, 2026	—

latest tracked price per source · Δ = most recent input-price move within that source

3 sources tracking

Input $/MTok

Output $/MTok

per-source step lines · $/MTok

history since Jan 1, 2023

Specs

Context & availability

GPT-5.4 Mini specifications.
Provider	OpenAI
Context window	400K tokens
Listed on OpenRouter	Mar 17, 2026
Tracked price sources	llm-prices.com · OpenRouter · models.dev
OpenRouter slugs	openai/gpt-5.4-mini · openai/gpt-5.4-mini-20260317

source: OpenRouter model catalog + tracked price feeds

id: gpt-5-4-mini

Usage

Share of OpenRouter tokens

90-day · to Aug 5, 2026

source: OpenRouter model rankings · share of tracked coding-token volume

0.2% on Aug 5, 2026

Benchmarks

Benchmark results

Benchmark scores for GPT-5.4 Mini.
Benchmark	Configuration	Score	Date	Source
AA Agentic Index	openai/gpt-5.4-mini	30.2index	—	or-embedded-aa
AA Agentic Index	openai/gpt-5.4-mini:batch	30.2index	—	or-embedded-aa
AA Coding Index	openai/gpt-5.4-mini	56.1index	—	or-embedded-aa
AA Coding Index	openai/gpt-5.4-mini:batch	56.1index	—	or-embedded-aa
AA Intelligence Index	openai/gpt-5.4-mini	40index	—	or-embedded-aa
AA Intelligence Index	openai/gpt-5.4-mini:batch	40index	—	or-embedded-aa

scores as published by each benchmark; configurations differ — compare within a row's benchmark only

Alternatives

Similar models

Alternatives to GPT-5.4 Mini by OpenRouter usage-rank proximity.
#	Model	Tokens/day	7d Δ	Head-to-head
1	DeepSeek V4 FlashDeepSeek	2.7T	18.7%	vs GPT-5.4 Mini
2	Hy3Tencent	1.3T	11.6%	vs GPT-5.4 Mini
5	Nemotron 3 UltraNVIDIA	733B	106.3%	vs GPT-5.4 Mini
7	GLM 5.2Z.ai	533B	41%	vs GPT-5.4 Mini

ranked by OpenRouter usage-rank proximity

snapshot Aug 20, 2026

FAQ

GPT-5.4 Mini FAQ

How much does GPT-5.4 Mini cost per token?: GPT-5.4 Mini is priced at $0.75 per million input tokens and $4.50 per million output tokens, per OpenRouter as of Aug 6, 2026.
What is GPT-5.4 Mini's context window?: GPT-5.4 Mini supports a context window of up to 400K tokens, per OpenAI.
How widely used is GPT-5.4 Mini?: GPT-5.4 Mini accounts for about 0.2% of tracked OpenRouter coding-token volume as of Aug 5, 2026.
What are the alternatives to GPT-5.4 Mini?: By OpenRouter usage, comparable models include DeepSeek V4 Flash, Hy3, and Nemotron 3 Ultra. Side-by-side comparisons are linked in the alternatives table.

Alerts

Track GPT-5.4 Mini

Email me when GPT-5.4 Mini's price moves or it gets deprecated.