Name: OpenAI: o4 Mini Deep Research
Author: openai

Question 1

What is o4 Mini Deep Research?

Accepted Answer

o4-mini-deep-research is OpenAI's faster, more affordable deep research model—ideal for tackling 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 o4 Mini Deep Research?

Accepted Answer

o4 Mini Deep Research has a 200,000 token context window.

Question 3

What inputs and outputs does o4 Mini Deep Research support?

Accepted Answer

o4 Mini Deep Research accepts files such as PDFs, images and text 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 o4 Mini Deep Research released?

Accepted Answer

o4 Mini Deep Research was released on 2025-10-10.

OpenAI: o4 Mini Deep Research

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