As of January 7, 2026, Google has quietly rolled out its long-teased AI-powered Inbox to every Gmail account worldwide — completely free, no Gemini Advanced subscription required. Powered by Gemini 3, the feature delivers real-time email summarization, priority sorting, auto-draft replies, smart snoozing, and contextual search across 1M+ token context. Within 72 hours, millions of users reported 40-60% reduction in email management time, effectively rendering most standalone AI email assistants (Superhuman, SaneBox, Shortwave) obsolete and forcing a rapid pivot across the productivity space.

On December 4, 2025, Google officially rolled out Gemini 3 Deep Think mode in public beta to Google AI Ultra subscribers — building on the Gemini 3 Pro launch last month, this enhanced reasoning engine leverages parallel hypothesis exploration to achieve unprecedented performance on PhD-level science, math olympiad-caliber logic, and long-horizon planning. Inheriting the gold-medal prowess from its Gemini 2.5 predecessors at IMO and ICPC, Deep Think scores 41% on Humanity’s Last Exam (without tools) and 45.1% on ARC-AGI-2, marking the first time an AI publicly demonstrates "deep deliberation" at scale. Early testers report 4x deeper insights on complex queries, cementing Gemini's frontier lead.