Google calls Gemini 4 Carbon "our strongest model", and it tops the Artificial Analysis Intelligence Index at 59. As of Nov 1, almost nobody can use it.

TL;DR

Carbon is #1 on an independent ranking and posts a headline cybersecurity score.

Carbon is a showroom model : the price is listed in public, but access is invite-only, first defenders, then partners, and everyone else gets it "as soon as possible" with no date attached.

While you wait, read the benchmark tables and price your prompts at both rates.

Ranked first, pitched at cybersecurity

Google announced the model on Oct 28 with a cybersecurity focus. Its headline number is "88.2% on SEC-bench Pro, autonomously uncovering complex flaws buried in real-world software".

Defenders, partners, then a promise

Access starts with "a subset of cyber defenders", then "trusted partners". Google describes "a deliberate approach to rollout", which is a reasonable thing to say about a model that finds software flaws on its own.…