Confusingly, Carbon is another model in the same size class as Argon. Every other lab would have just called it Gemini 4.1 Argon.
AFAIK they are all (Barium, Argon, Carbon) different checkpoints of the same (ongoing) training run
AFAIK they are all (Barium, Argon, Carbon) different checkpoints of the same (ongoing) training run