o4 Mini Deep Research — Retired model
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.
Technical specifications
Frequently Asked Questions
Can I still use the retired o4 Mini Deep Research model?
No. o4 Mini Deep Research has been retired and is retained here only as a historical reference. See the active alternatives linked on this page.
Relay integrity checks
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