Google’s plan to swap the decade-old Assistant for its Gemini AI has hit a speed bump: the company says the upgrade won’t finish this year and will “continue into 2026,” which for now means your phone still wakes up to “Hey Google,” not a full-blown generative-AI takeover. This is not a retreat — Gemini is still the roadmap — but it is a clear acknowledgement that replacing a widely used, reliable assistant is more complex than a keynote slide.

Internally and in support documents, Google frames the change as a careful, region-by-region migration rather than an overnight flip. That gradualism shows in how Gemini is being tested and rolled out across different surfaces: while the company is expanding Gemini to wearables, cars, TVs and home devices, the mobile-Assistant cutover will be slower and staggered. In practical terms, users should expect Assistant to remain the default on many Android phones through the end of 2025 and into early 2026 rather than being abruptly retired.

Why the pause? Two blunt realities drove it. First, feature parity: Gemini excels at reasoning, summarizing and multimodal tasks, but it still needs to match the speed and reliability of Assistant for basic, latency-sensitive chores — timers, quick smart-home commands, driving interactions and short transactional voice flows. Second, timing risk: a forced global migration during peak shopping and travel seasons would create huge support headaches; Google appears to be spacing the cutover to avoid those operational spikes. Early internal target windows now point at spring 2026 for some platforms — Android Auto specifically is being referenced with March 2026 as a checkpoint — which gives engineers and partners more runway.

For device owners, the delay changes the practical timeline without changing the direction. Expect Assistant to keep running on most phones and tablets through 2025; expect Google to remove the standalone Assistant app from app stores as Gemini becomes the default; and expect devices that meet modest requirements (modern Android builds and enough RAM) to be nudged toward the Gemini experience once Google is confident it’s ready. Older, unsupported hardware may simply never receive a Gemini update, nudging some users toward newer handsets or third-party assistants for continued parity.

Meanwhile, Gemini is not parked. Google has been rolling it into Wear OS, Android Auto, Google TV and, via Gemini for Home, Nest speakers and displays — the Home program expanded out of the U.S. into Canada this month and is slated to broaden language and market support into early 2026. At the same time, Google’s public release notes and developer changelogs show a steady cadence of generative features, multimodal improvements and integrations with tools like NotebookLM and the Gemini API — a sign that the company is hard at work building the capabilities that might eventually justify a full replacement.

That extended window amounts to a rare “pause button” for users and for the company. For people who have built years of muscle memory around “Hey Google” routines, it buys time to test, learn and adjust before an assistant that reasons in longer context becomes the primary interface. For Google, it’s an admission that an AI-first future must still honor the small, fast interactions that make a digital assistant useful every day.