Unverified50% confidenceFactExact time
Internal Gemini codenames rumored within Google include Argon, Barium, and Carbon; Argon is reportedly based on an earlier Barium-B checkpoint, while Carbon is a newer version.
1
Sources
50%
Confidence
Medium-term (~90 days)
Relevance
10/10/2026
First Seen
Valid until: 1/8/2027
Sources
Related Entities
Related Claims
UnverifiedGoogle is internally testing a new Gemini 4 checkpoint codenamed Carbon, whose coding capabilities are being benchmarked against Claude Opus 5.5.66% similarUnverifiedThe Gemini model adopts the convention of naming variants after chemical elements; Argon is an inert gas, and its performance positioning has not yet been officially clarified.63% similarVerifiedGoogle published a new member of the Gemini series, Gemini 4 Argon, on its official blog.63% similarUnverifiedThere is speculation that Gemini 4 Argon may be a model on the order of 6 trillion parameters, but there is no official confirmation.61% similarUnverifiedAt the current stage, Gemini 4 Argon is better suited for a watchlist and small-scale pilot testing rather than direct integration into production architecture.59% similar
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