Researcher Says OpenAI Deep Research Returning Zero Citations, Now Uses New Gemini Model
PMinervini · x · 2026-10-04
Researcher PMinervini reports that OpenAI's Deep Research has been returning zero citations for at least a couple of days. He says he now mostly uses Google's Gemini deep-research-max-preview-04-2026.
Two takeaways:
- OpenAI Deep Research has an ongoing citation-breaking usability issue
- A previously unseen Gemini model name (deep-research-max-preview-04-2026) has surfaced, possibly Google's latest deep research build — unconfirmed
Related event: OpenAI Deep Research Returns Zero Citations for Days, Users Flee to Gemini(2 posts)→
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