Skip to model information

ChatGPT-4o

Retired

An OpenAI model with a 128K-token context window and image input. Released on the OpenAI API August 13, 2024, now retired.

Access details: OpenAI API

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

chatgpt-4o-latest
Updated Sep 23, 2026

Capabilities & limits

Context window
128K
Maximum output
16K
Image input
Supported
Tool calling
Unsupported
Structured output
Unsupported

Pricing

USD / 1M tokens
Input
No longer sold
Output
No longer sold

No longer sold on the OpenAI API.

Price history
Feb 17, 2026

Input No longer sold per million tokens

Feb 17, 2026

Output No longer sold per million tokens

Technical details

Parameters
Not published
Active parameters
Not published
Architecture
Not published
Training / knowledge cutoff
Oct 01, 2023
Input modalities
Text, image
Output modalities
Text

Release & lifecycle

First available
Aug 13, 2024
retired
As of Sep 13, 2026

Considering a switch?

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

Compare with Gemini 2.5 Pro →

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