Gemini 3.5 "Cappuccino" checkpoint hits Chatbot Arena

Google is closing the reasoning gap with "Cappuccino," signaling a pivot toward agent-first architectures and deeper tool integration via native MCP support. Adaptive Chain-of-Thought reasoning delivers a reported 40% accuracy boost in complex logic tasks, and advanced SVG generation and UI-to-code capabilities challenge specialized design-to-code tools. Native Model Context Protocol (MCP) support positions the model as a "tool operating system" for autonomous agents, while the low latency of the companion 3.5 Flash model could undercut current high-speed inference providers.