Best Alternatives to OpenAI: o4 Mini Deep Research
20 alternatives ranked by real usage data. OpenAI: o4 Mini Deep Research scores 21/100 — 20 tools score higher.
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.