Google reportedly testing Gemini 4 Carbon checkpoint on Arena disguised as Argon 4
testingcatalog · x · 2026-11-02
testingcatalog relays tester reports that Google has been serving a new Gemini 4 Carbon checkpoint, Carbon-H, on Arena under the Argon 4 label since October 31.
Related event: Google Tests New Gemini 4 Carbon Checkpoint as "Argon 4" on Arena(2 posts)→
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