5.1 thinking and 5.2 thinking no longer think

[inner sage]

Reported by @sour jolt

Bug Report: 5.1 thinking and 5.2 thinking no longer think

`Steps to Reproduce`

Create prompt in 5.1 or 5.2 thinking, use extended thinking preferably, and enter prompt.

`Expected Result`

Though for X seconds and detailed response for both academic and creative prompts

`Actual Result`

No longer think at all, no "Though for X seconds", just instant generation, on both creative and complex academic problems. Been happening for past 2 days, laptop and phone

`Environment`

Windows 11 (Opera GX), iPhone (Safari)

Dec 21, 2025, 8:48 PM

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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