Agentic AI News: January 2026 - Opus 4.5, Gemini 3 Pro, and the 50% Reasoning Shift
Claude Opus 4.5 hits 80.9% SWE-bench, Gemini 3 Pro ships 1M context, OpenRouter reveals reasoning models jumped from 0% to 50% usage, and Meta acquires Manus AI for $4B.