Gemini 4 Carbon
by Google · ID gemini-4-carbon · Released 2026-10 · Proprietary
1528
ELO Score
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MMLU
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HumanEval
N/A
Context Window
Input Price
About Gemini 4 Carbon
Google DeepMind's frontier model, announced 28 October 2026. At launch it is available only to partners in Google's Fairwind cyber-defence programme: there is no public API and no published price. Google and early third-party reports put it ahead on most of the benchmarks Google published, including 59 on the Artificial Analysis Intelligence Index v5 (Claude Opus 5.5: 58, GPT-6 Astra: 57) and a simulated $16,484 balance on Vending-Bench 2, where a model runs a vending-machine business for a simulated year (GPT-6 Astra $15,515, Gemini 4 Argon $13,718, Claude Opus 5.5 $9,235). These figures are vendor-reported or early and not yet independently reproduced. Arena text score 1528 (Gemini 4 Carbon (High), 4,403 votes, still preliminary), leaderboard of 27 October 2026.
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