The strongest free tiers in AI right now belong to general-purpose assistants and automation glue. A conversational assistant can replace a surprising amount of contract help: it drafts emails, summarizes documents, brainstorms offers, and answers ad-hoc questions across every department. For a small business, that single tool often delivers more value than several specialized subscriptions combined.
Automation platforms are the second pillar. Connecting your store, inbox, calendar, and spreadsheets so they talk to each other eliminates the manual copy-paste work that quietly eats hours every week. Free tiers typically cap the number of monthly tasks or active workflows, which is usually plenty to automate your two or three highest-friction processes.
Round it out with a free design and note-taking layer. AI-assisted design tools let you produce social posts and simple branding without a designer, and AI workspaces keep your SOPs, meeting notes, and project docs searchable. Start with one tool per category, get it earning its keep, and only upgrade the tiers where you hit a real ceiling.