The short version: Google introduced Gemini Spark at Google I/O 2026 — a 24/7 agentic assistant that sits inside Gmail and watches over your inbox so you never miss a customer message. It monitors, flags, and helps you respond without requiring you to be in your email constantly. Available for Google Workspace Business accounts.

What Gemini Spark does

Gemini Spark is Google's move from AI as a response tool (you ask it something, it replies) to AI as a persistent background agent (it watches your business data and acts without being prompted). The specific Gmail integration announced at Google I/O 2026 is the most immediately relevant to small businesses: Spark monitors your inbox continuously, identifies customer enquiries, and ensures you always know what needs attention — even when you are out on site, in a meeting, or simply swamped.

For a service business that runs on email — trades, consultancies, agencies, health practitioners, hospitality — the problem Spark addresses is familiar. A customer sends an enquiry at 2pm. You are installing, sweeping, on a call, or with another client. By the time you see it, it is 7pm. The lead has gone elsewhere. Spark's continuous monitoring means you get alerted to the important messages as they arrive, not when you next open your inbox.

The agent can also be configured to draft response options for common enquiry types, giving you a one-click-to-send reply rather than starting from a blank screen at the end of a long day.

How it differs from Gmail's existing Smart Reply

Gmail has offered Smart Reply and Smart Compose for several years — these suggest completions when you are already composing a message, or offer short one-line replies. Spark is architecturally different. It does not wait for you to open an email. It runs continuously in the background, applies reasoning to what it sees, and surfaces prioritised context to you — more like an assistant watching your inbox than a feature inside your email client.

The agentic framing matters. A feature waits to be used. An agent is working whether you are paying attention or not.

Availability and Google Workspace plans

Gemini Spark is available through Google Workspace Business accounts. Google Workspace Business Starter is priced at £4.60 per user per month (UK pricing), and the AI features — including Gemini integration — are available from the Starter tier upward. For businesses already using Google Workspace, there is no additional AI subscription required to access these features.

If your business uses Gmail personally but not through a Google Workspace account, Spark's full agentic capabilities are currently restricted to Workspace tiers. The standard Gmail interface continues to offer Gemini's generative reply assistance, but the 24/7 monitoring and autonomous flagging requires the Workspace subscription.

Operator move for this week

If your business runs on Gmail, check whether you are on a personal Gmail account or a Google Workspace account. If personal: the upgrade to Workspace Business Starter costs less than a client lunch and gives you Gemini Spark's inbox monitoring. If you are already on Workspace: look for Gemini in your Gmail sidebar and check what Spark features are available to activate now.