Google Internally Testing Gemini 4 Checkpoint "Carbon" That Matches Opus 5.5 in Coding
koltregaskes · x · 2026-10-10
Business Insider reports Google is internally testing a new Gemini 4 checkpoint codenamed "Carbon" that reportedly matches Opus 5.5 in coding.
A comment on the report speculates the public release will come as Gemini 4 "Argon" first, with "Carbon" following. The information is unconfirmed.
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