Google DeepMind announces Gemini 4 Carbon, releasing it first to a limited set of cyber defenders at Argon's introductory API price

Google DeepMind announced Gemini 4 Carbon, two weeks after Gemini 4 Argon. This week it is available only to a subset of cyber defenders, with access widening gradually to trusted partners through the Fairwind Program. General availability has no date ("as soon as possible"). Introductory pricing is $2 per million input tokens and $10 per million output tokens, rising to $4 and $20 later. All benchmark figures are Google's own, including 59 on the Artificial Analysis Intelligence Index v5.0, 88.2% on SEC-bench Pro, 54.8% on ExploitGym and 71.0% on CWE-bench.

For now the model is usable by very few people, so most developers and businesses cannot act on it. Security teams outside the gated group are the most affected, because a model said to be strong at both finding and exploiting vulnerabilities is being released to defenders first. That makes access a real competitive and security question. The planned price doubling after the introductory period matters for anyone budgeting around it. Its role in US government voluntary pre-release testing suggests regulators will be watching, but Google's description does not show how much that testing influenced the release.

"Strongest model", "state-of-the-art" and "improved alignment and safety" are Google's own claims, and no independent party has checked the benchmark scores. The 0.0% cheating and 0.0% attack success figures are strikingly clean and depend heavily on how the tests were defined. The comparison to an unnamed lab's model, and the framing about the "pace of the frontier", are marketing. Missing context includes who the defenders are, how many there are, and whether the #1 ranking on one index holds up elsewhere (it is only #4 on WebDev Arena).

1. 01Independent evaluations of Carbon on cyber benchmarks and the Artificial Analysis index, to see whether the self-reported 88.2% on SEC-bench Pro and 59 index score hold up
2. 02A general availability date, and whether the price actually moves from $2/$10 to $4/$20 per million tokens when the introductory period ends
3. 03Reports from Fairwind Program partners or government testers, and any competitor response such as a similarly gated cyber model, showing whether staged access becomes a standard pattern