Deep Noodle

About Blog Atlas

Skip to model information

Compare models

Summary

Table

Side-by-side comparison

OpenAI

GPT-5.4

gpt-5.4

Available

Input / 1M: $2.50
Output / 1M: $15.00
Cached / 1M: from $0.25
Context: 1.05M

Image inputSupported
Tool callingSupported
Structured outputSupported

First available: Mar 5, 2026
Knowledge cutoff: Aug 31, 2025
Input: Text, image

OpenAI

GPT-5.5

gpt-5.5

Available

Input / 1M: $5.00
Output / 1M: $30.00
Cached / 1M: from $0.50
Context: 1.05M

Image inputSupported
Tool callingSupported
Structured outputSupported

First available: Apr 24, 2026
Knowledge cutoff: Dec 01, 2025
Input: Text, image

Add a model

Compare up to four models.

Prices and context windows

Input price

USD per 1M tokens

GPT-5.4
$2.50
GPT-5.5
$5.00

Output price

USD per 1M tokens

GPT-5.4
$15.00
GPT-5.5
$30.00

Cached input price

USD per 1M tokens · lowest rate

GPT-5.4
from $0.25
GPT-5.5
from $0.50

Context window

Tokens

GPT-5.4
1.05M
GPT-5.5
1.05M

Notes

Sources & notes

Prices are USD per million tokens at the standard rate. Open a model for its full rate card.
Cached input is the lowest cache-read rate. "From" means some requests pay more, such as long prompts.
Prices and availability as of October 20, 2026.