o3 Operator

Closed weights OpenAI May 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
23 May 2025

What it does

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

Domain
Language, Vision, Multimodal
Task
Language modeling/generation, Question answering, System control, Code generation, Instruction interpretation, Search, Quantitative reasoning, Visual question answering, Character recognition (OCR)
Base model
o3,Computer-Using Agent (CUA)

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

The update, released globally today, May 23, 2025, is available as a “research preview” to paying subscribers of OpenAI’s $200 USD-monthly ChatGPT Pro plan.

How it is classified

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

Likely above 10²³ FLOP
Yes
Record confidence
Unknown

Sources

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

Reference
Addendum to OpenAI o3 and o4-mini system card: OpenAI o3 Operator
Last updated
28 November 2025

What the numbers mean

About this model

o3 Operator was published by OpenAI, in United States of America, in May 2025. The organisation is categorised as industry.

It works in Language, Vision, Multimodal, and is recorded as doing language modeling/generation, Question answering, System control, Code generation, Instruction interpretation, Search, Quantitative reasoning, Visual question answering, Character recognition (OCR).

It is derived from o3,Computer-Using Agent (CUA) rather than trained from scratch, which is the usual way a specialised model is produced.

Its weights were never published, so it can only be reached through its provider. No graphics card changes that.

Answers

o3 Operator — common questions

01

Who created o3 Operator?

o3 Operator was published by OpenAI, based in United States of America, categorised as industry.

02

When was o3 Operator released?

o3 Operator was published in May 2025.

03

What is o3 Operator used for?

o3 Operator works in Language, Vision, Multimodal, and is recorded as handling language modeling/generation, Question answering, System control, Code generation, Instruction interpretation, Search, Quantitative reasoning, Visual question answering, Character recognition (OCR). Models frequently carry more than one of each, and the tags describe purpose rather than capability limits.

04

What GPU do I need to run o3 Operator?

None. o3 Operator 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.

05

Is o3 Operator open source?

No. o3 Operator has not had its weights published, so it exists only as a service controlled by its owner.

06

How many parameters does o3 Operator have?

No parameter count has been published for o3 Operator, which is why no memory or speed figure appears on this page.

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.