EVERY SIGNAL, SORTED.

Google, Google DeepMind, Gemini 4 Carbon, Frontier Models, Long-Horizon Agents, Software Engineering, Cybersecurity, Agent Oversight, Audit Logs, Human Approval and Model Evaluation

Gemini 4 Carbon can work for days. Make the agent keep a shift log

Google says Carbon can persist through multi-day engineering work and leads several cyber benchmarks. The longer an agent runs, the less useful a polished final answer becomes without the decisions, failures and permissions behind it.