#Inference failure between 5.2-Thinking and Deep Research

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shadow plankBOT
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Reported by @soft nebula

Bug Report: Inference failure between 5.2-Thinking and Deep Research
`Steps to Reproduce`

It's probably not reproducible as-is, but shows a real issue.

What I did :

  • create a project with title "Game : Rune Factory Frontier on Wii", and description "All discussions in this project are exclusively related to Rune Factory Frontier"
  • inside the project, a new chat session with modes "5.2 Thinking" + "Deep Research", asking for a manual for "this" game (+ a few more structural specs)
`Expected Result`

The Deep Research report provides an actual manual for the said game.

`Actual Result`

The Deep Research report provides a GENERIC manual for an unspecified game (which is incredible by itself but totally useless at the moment).
Here is the chat session (French) : https://chatgpt.com/share/698ccc19-5a74-8001-af38-79b0da862387

`Environment`

ChatGPT Windows app from the Microsoft Store (up to date as of Feb 11, 2026)

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Additional Information

Please provide relevant details to help resolve the issue, such as:

  • ChatGPT Shared Link (if applicable).
  • Screenshots or videos demonstrating the problem.

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soft nebula