Google reported a 0.0% attack success rate against Gemini 4 Carbon on Gray Swan's indirect prompt-injection benchmark, down from 0.7% for Gemini 4 Argon

Google DeepMind announces Gemini 4 Carbon, a frontier model with state-of-the-art cybersecurity and long-horizon coding performance, improved alignment and prompt-injection resistance, released first to cyber defenders via the Fairwind Program at Argon's price.