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Google reportedly testing internal model Carbon, said to be stronger than Argon

A leak says Google is testing an internal model called Carbon on its coding platform, with one employee comparing it to Opus 5.5 and testers praising its coding, though no public release is confirmed.

Captain Insight

@CaptainInsightXArchived 20 days agoOriginally posted 2026.10.10

Google reportedly testing internal model Carbon, said to be stronger than Argon

Captain Insight @CaptainInsightXOriginally posted 2026.10.10

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Google might already have something BIGGER than Gemini 4 Argon cooking 💀 A new internal model called “Carbon” is reportedly being tested. – available in Google’s internal coding platform – one employee says it feels like Opus 5.5 – other testers are praising its coding ability – no public release confirmed yet Argon hasn’t even finished rolling out, and Google is already testing something potentially stronger 😭 Would you rather get Argon now or wait for Carbon?

x.com/captaininsightx/status/2108861074590290036Archived 2026.10.12 09:58