🛡️Google Ships Gemini 4 Carbon, Claims 89-Point WebDev Arena Jump

Your cheap Gemini API window closes sooner than you think

Google just put Gemini 4 Carbon on the table, and its pitch is security first. The model reportedly doubles the rate of vulnerability-free code compared to Gemini 4 Argon, and Google says its Chrome team sees 10x better high-quality patch generation than non-Google models. If you're shipping code with an AI assistant, this one matters. Carbon's gains target detection, validation, and remediation, which is the exact loop your security scanners and code review bots struggle with. The rollout starts with AI Ultra subscribers and Gemini API developers, and it runs through Google's Fairwinds cyber defense program in a staged release. The numbers: Carbon gained 89 points on WebDev Arena and now sits at number four. Google's own charts put it on top, and it beats GPT-6 Astra, Claude Opus 5.5, and Claude Fable 5.1 in almost every test, though the margins are only a few points. In Grey Swan prompt-injection testing it scored 0 percent, meaning it resisted every attack. Introductory API pricing is $2 per million input tokens and $10 per million output, but that doubles when the promo ends, and Google hasn't said when.