Skip to model information

GPT-5.4 Pro

Available

An OpenAI model with a 1.05M-token context window, image input and tool calling. On the OpenAI API since March 5, 2026.

Access details: OpenAI API

An alias. The provider can point it at a newer version.

gpt-5.4-pro
Updated Sep 23, 2026

Capabilities & limits

Context window
1.05M
Maximum output
128K
Image input
Supported
Tool calling
Supported
Structured output
Unsupported

Pricing

USD / 1M tokens
Input
$30.00
Output
$180.00

Standard rates per million tokens. Discounts and long-context rates, where offered, are on OpenAI's pricing page.

Full rate card 4 rates

All prices in USD.

Short-context input

$30.00 per 1M tokens
  • prompt ≤ 272K input tokens

Short-context output

$180.00 per 1M tokens
  • prompt ≤ 272K input tokens

Long-context input

$60.00 per 1M tokens
  • prompt > 272K input tokens
  • rate applies to the full session

Long-context output

$270.00 per 1M tokens
  • prompt > 272K input tokens
  • rate applies to the full session

Other tiers per 1M tokens (short context): Batch: $15 input / $90 output; Flex: $15 input / $90 output. Regional processing (data residency) endpoints add a 10% uplift. No cached-input discount.

Price history
Sep 23, 2026

Input $30.00 per million tokens

Sep 23, 2026

Output $180.00 per million tokens

Technical details

Parameters
Not published
Active parameters
Not published
Architecture
Not published
Training / knowledge cutoff
Aug 31, 2025
Input modalities
Text, image
Output modalities
Text

Release & lifecycle

First available
Mar 5, 2026
available
As of Sep 23, 2026

Considering a switch?

Specs only go so far. Try both on your own tasks and compare quality, speed and cost.

Compare with Claude Fable 5.1 →

Prices and availability as of October 20, 2026. OpenAI's own pages have the latest.