Name: OpenAI: o3 Deep Research
Author: openai

Question 1

What is o3 Deep Research?

Accepted Answer

o3-deep-research is OpenAI's advanced model for deep research, designed to tackle complex, multi-step research tasks. Note: This model always uses the 'web_search' tool which adds additional cost.

Question 2

What is the context length of o3 Deep Research?

Accepted Answer

o3 Deep Research has a 200,000 token context window.

Question 3

What inputs and outputs does o3 Deep Research support?

Accepted Answer

o3 Deep Research accepts images, text and files such as PDFs as input and returns text.

Question 4

What other text models does OpenAI have?

Accepted Answer

GPT-5.6 Luna Pro, GPT-5.6 Luna, GPT-5.6 Terra Pro and 57 more are other text models from OpenAI.

Question 5

When was o3 Deep Research released?

Accepted Answer

o3 Deep Research was released on 2025-10-10.

OpenAI: o3 Deep Research

openai/o3-deep-research

OpenAI: o3 Deep Research

openai/o3-deep-research

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