AI agents finally stopped being a demo and started being a product this year, and two are worth actually paying for: Anthropic’s Claude Cowork and Google’s Gemini Spark. Both cost roughly $20 a month. They are built for different people, and picking the wrong one for your workflow is the easiest way to waste that money, so here is the plain comparison.
The core difference: your desktop vs Google’s cloud
Claude Cowork sits on your actual computer and works with the files, folders and apps already on your machine. It shines at producing real deliverables, Excel sheets, PowerPoint decks, Word docs, PDFs, research write-ups, from the stuff on your desktop. Gemini Spark lives in Google’s cloud and runs 24/7 on Google’s own virtual machines, so it keeps working when your laptop is shut. It is built for inbox automation and background tasks for people who live in Gmail and Workspace.
Who should buy which
Buy Claude Cowork if your work is file-heavy and local: you generate documents, do research, and want an agent that manipulates things on your own machine with broad multi-tool connectivity. Buy Gemini Spark if your life is your inbox and calendar, you want tasks running around the clock without your device on, and you are already deep in Google Workspace.
The genuinely good news is that they are not really competing for the same person, which means the choice is easy once you are honest about your own workflow. Ask one question: is my bottleneck making files on my computer, or managing a never-ending inbox in the cloud? Your answer picks the tool. If you truly do both, start with the free tiers before doubling up, because at $20 each the second subscription needs to earn its place.
Related: our September 2026 assistant comparison.