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.
Developer
OpenAI
Release Date
October 10, 2025
Context Window
200,000 tokens≈ 267 words
API Access
Publicly AvailableIntegrate via official API
Input Cost
$2.00per million tokens
Output Cost
$8.00per million tokens
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