Gemini models fail with Json parsing error

What version of Codex is running?

v0.1.2504221401

Which model were you using?

gemini-2.5-pro-exp-03-25

What platform is your computer?

Linux 5.10.0-34-cloud-amd64 x86_64 unknown

What steps can reproduce the bug?

Run any prompt with gemini and the json parsin error will pop up. Then codex becomes unresponsive.

<img width="1377" alt="Image" src="https://github.com/user-attachments/assets/604b3a98-50ad-457f-bc69-24ce7d0c6c79" />

What is the expected behavior?

_No response_

What do you see instead?

_No response_

Additional information

_No response_