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Gemini 3.1 Pro Reasoning Formatting

Screenshot 2026-02-22 at 00.19.41.heic

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Screenshot 2026-02-22 at 00.19.47.heic

1.1 MB• Image

How Gemini 3.1 Pro’s messages are being passed down to client seems to be broken. I think it’s reasoning flow is being displayed as part of regular response, and regular response is shown in the markdown code.

I’m using Helium browser on macOS 26.2, but this seems to be server formatting issue more than anything else.

Status: Completed1 comment

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Comments1

  • Mark Florkowski

    Team

    reported to the DeepMind team. seems to be an issue on the model’s side where it is not producing properly formatted reasoning traces