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SwapGemini 4 Carbon
Google's most powerful AI model so far, built for cybersecurity work and long, complicated tasks. For now only security teams in a Google programme can use it; others get it later, with no date yet.
Release page →The basics
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What it does
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The latest events it learned about
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Input
Per million tokens
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How they score
Combined test score
Epoch Capabilities Index · Epoch AI
Only Claude Opus 4.8 is in this ranking.
Chat answers, by people's votes
LMArena text, adjusted for style · LMArena
In blind votes, people pick Gemini 4 Carbon over Claude Opus 4.8 about 56% of the time.
Building apps, by people's votes
LMArena WebDev · LMArena
In blind votes, people pick Gemini 4 Carbon over Claude Opus 4.8 about 77% of the time.
Green marks the better of the two on each row, red the other. Rows where one side isn't listed, or where the gap is too close to call, stay plain.
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Rankings from LMArena and Epoch AI, both CC BY 4.0, updated . Developer prices, context windows and knowledge cutoffs from the labs' own listings on models.dev and from OpenRouter. The app links go to each maker's own app when no source says exactly where the model is available.