ChatGPT agent

Closed weights OpenAI July 2025

No estimate

No hardware requirements for this model

The weights for this model have not been published, so it cannot be downloaded or run on your own hardware at any size. It is reachable only through its provider, and no graphics card changes that.

On record

Full specification

Everything on record for this model. Most of it describes how it was trained rather than how it runs — useful context for judging how much work went into it, and how it compares with models built at a different scale.

Origin

Who built this model, where, and when it was published.

Organisation
OpenAI
Organisation type
Industry
Country
United States of America
Published
17 July 2025

What it does

The problem areas the model was built for. A model can carry several of each.

Domain
Language
Task
Language modeling/generation, Question answering, Quantitative reasoning, System control, Table tasks, Code generation, Instruction interpretation, Translation, Search
Base model
GPT-4o

Size

How large the model is and how much data it was trained on. Parameters are the figure that decides whether it fits on a given graphics card.

Training data
tokens

Availability

Whether you can obtain the model and run it on your own hardware, which is what decides if any of the graphics-card figures on this page apply.

Weights
Closed — provider access only
Model access
Hosted access (no API)
Training code
Unreleased

How it is classified

Labels the source dataset applies when tracking notable models, and how confident it is in the entry.

Record confidence
Unknown

Sources

Where this record came from and when it was last checked.

Reference
Introducing ChatGPT agent: bridging research and action
Last updated
28 November 2025

What the numbers mean

Background

ChatGPT agent was published by OpenAI, in United States of America, in July 2025. The organisation is categorised as industry.

It works in Language, and is recorded as doing language modeling/generation, Question answering, Quantitative reasoning, System control, Table tasks, Code generation, Instruction interpretation, Translation, Search.

It is derived from GPT-4o rather than trained from scratch, which is the usual way a specialised model is produced.

This is a closed model: the trained values stayed with whoever produced them, and there is no local version to run.

Answers

ChatGPT agent — common questions

01

How many parameters does ChatGPT agent have?

No parameter count has been published for ChatGPT agent, which is why no memory or speed figure appears on this page.

02

Who created ChatGPT agent?

ChatGPT agent was published by OpenAI, based in United States of America, categorised as industry.

03

When was ChatGPT agent released?

ChatGPT agent was published in July 2025.

04

What is ChatGPT agent used for?

ChatGPT agent works in Language, and is recorded as handling language modeling/generation, Question answering, Quantitative reasoning, System control, Table tasks, Code generation, Instruction interpretation, Translation, Search. A model can carry several of each, so these are the areas it was built for rather than a limit on what it will attempt.

05

What GPU do I need to run ChatGPT agent?

None. ChatGPT agent is a closed model — its weights were never published, so it cannot be downloaded or run on your own hardware at any price. It is reachable only through its provider.

06

Is ChatGPT agent open source?

No. ChatGPT agent has not had its weights published, so it exists only as a service controlled by its owner.

Source

Original publication

Record last updated 28 November 2025

The other direction

Looking at it from the other side?

This page starts from the model. If you already own a card and want to know everything it will run, start from the hardware instead.