Google announces Gemini 4 Carbon, its latest frontier AI model that you can't use

Google has unveiled Gemini 4 Carbon, its newest frontier AI model, following the rollout of Gemini 4 Argon just two weeks prior. This new release is not a Flash model, but rather an enhancement to Argon, with Google planning a phased rollout that may take some time. The company claims that Gemini 4 Carbon achieves a new benchmark in coding, agentic tasks, and scientific analysis, but due to its advanced capabilities, it is not yet available for public use.

According to Google, the model demonstrates significant improvements in cybersecurity applications, achieving a substantial leap in vulnerability detection, validation, and remediation. Specifically, Gemini 4 Carbon is twice as likely to generate code free of vulnerabilities compared to Argon. Furthermore, the Chrome team asserts that the model is 10 times better at creating high-quality patches than non-Google models.

Google also highlights that Gemini 4 Carbon has raised its score by 89 points on WebDev Arena, positioning it at the fourth spot on the leaderboard.