Four checkpoints compared, Gemini 4 Carbon and Argon included

From the post

Gemini 4 carbon checkpoint vs. Fable 5.5 checkpoint vs. Opus 5.5 vs. Argon >Clearly see the difference b/w upcoming models checkpoints and existing Opus 5.5 and argon >Upcoming releases are exciting to watch.

— @AI_Screening

Author’s claim. Posted before Fable 5.2 came out. The author called it Fable 5.5, the name rumors gave the next Fable. We can’t verify which model ran.