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Rumor: Gemini 4 Carbon tested internally, coding near Claude Opus 5.5

Leak claims Google is testing Gemini 4 Carbon on its Jetski coding platform with coding performance close to Claude Opus 5.5, possibly as an Argon upgrade rather than a separate launch.

Priy

@alwayspriyeshArchived 16 days agoOriginally posted 2026.10.19

Rumor: Gemini 4 Carbon tested internally, coding near Claude Opus 5.5

Priy @alwayspriyeshOriginally posted 2026.10.19

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Google might be cooking a coding model that can compete with Claude Opus 5.5 Gemini 4 Carbon is reportedly being tested internally, and here's what we know: - An internal checkpoint reportedly tested on Google's Jetski coding platform - Early claims suggest coding performance close to Claude Opus 5.5 - It might not launch as a separate model - Carbon could eventually become an upgrade to Gemini 4 Argon Nothing is officially confirmed yet Is Google preparing a serious comeback in AI coding?

x.com/alwayspriyesh/status/2112018101969752538Archived 2026.10.20 09:58