Post-Cutoff

“Gemini 4 Pro checkpoints have finally started appearing internally a few days ago.”

Lentils @Lentils80X

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Gemini 4 Pro checkpoints have finally started appearing internally a few days ago.

This is the first ever output from the model, internally codenamed “argon”. It took 2.4 minutes on High thinking effort.

It has a 256k token “output limit”, compared to 64k in previous Gemini models. I also heard it will ship with a 2M context window, tho it’s still not decided if they’ll do it.

Source: x.com/Lentils80/status/2099601296516960580Archived 2026-09-30 via fxtwitter (unofficial).Counts: 387,066 views, 1,663 likes, 47 reposts, 108 replies (at fetch time)Media: video poster

Cited in

  1. Model releases 92 days after the cutoff

    Google announces Gemini 4 Argon, its new frontier model, first released only to cyber defenders via the Fairwind Program