OpenAI: o4 Mini Deep Research

Image input File input Text input Text output
Author's Description

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.

Key Specifications
Cost
$$$$$
Context
200K
Released
Oct 10, 2025
Supported Parameters

This model supports the following parameters:

Top Logprobs Stop Max Tokens Tool Choice Top P Frequency Penalty Reasoning Structured Outputs Seed Include Reasoning Response Format Logprobs Logit Bias Tools Temperature Presence Penalty
Features

This model supports the following features:

Reasoning Tools Structured Outputs Response Format
Model Pricing

Current Pricing

Feature Price (per 1M tokens)
Prompt $2
Completion $8
Input Cache Read $0.5
Web Search $10000

Price History

Available Endpoints
Provider Endpoint Name Context Length Pricing (Input) Pricing (Output)
OpenAI
OpenAI | openai/o4-mini-deep-research-2025-06-26 200K $2 / 1M tokens $8 / 1M tokens
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