The $20 tier is the right starting point for almost every owner-operator
All three vendors have converged on the same anchor price. ChatGPT Plus is $20/mo. Claude Pro is $20/mo billed monthly, or $17/mo on an annual plan. Google AI Pro is $19.99/mo. At that price you get each vendor's mainline models, file uploads, long-document handling, research modes, and enough capacity for daily use.
For a business that lives in your head, the $20 tier covers the everyday workload: drafting customer emails, writing quotes and product descriptions, summarizing a supplier PDF, working through a spreadsheet, researching a purchase. If you use an AI assistant 30-90 minutes a day, you will rarely touch the limits.
All three vendors now sell the same four-rung ladder
These prices were verified in July 2026 against each vendor's own pages. They have changed three times in the past year, so check before you buy.
Three honest footnotes. First, the multipliers are vague on purpose: "5x more usage" is 5x a base number no vendor publishes, so you cannot compare capacity precisely, only price.
Second, OpenAI has said it will test ads in the Free and Go tiers; Plus and above stay ad-free. Third, Gemini's plans bundle things you may not value (cloud storage from 400 GB to 20 TB, YouTube Premium on some tiers), which makes its sticker price look better than the like-for-like AI capacity may be.
Match the tier to your usage stage, not to the launch demos
- Testing the water (months 1-2): use the free tiers, or ChatGPT Go at $8/mo or Google AI Plus at $4.99/mo if free limits annoy you. Do not commit until the tool has survived contact with real work.
- Daily working tool: the $20 tier. This is where most owner-operators should live, and stay.
- Heavy daily use: the $100 tier, only after you hit the trigger below. This is for people running long research sessions, big document sets, or coding tools for hours a day.
- The $200 tiers: built for developers and agencies running AI most of the working day. An owner-operator almost never needs one.
Which vendor to pick matters less than people think at $20; pick the one that sits where you already work. Our guide to choosing AI tools for a small business walks through that decision.
Upgrade only when a limit costs you money twice a week for a month
Nothing softer than that should move you off $20. Hitting a usage cap once during a busy Friday is not a reason to 5x your spend. Hitting it repeatedly, during paid work, for a sustained stretch, is.
Track it for 4 weeks before upgrading, and set a reminder to downgrade if a slow season means you stop hitting limits.
Bill monthly, not annually, on ChatGPT and Gemini. This market is in a price war: Google cut its top plan from $250 to $200 and added a $100 rung in May 2026, OpenAI launched the $8 Go plan worldwide in January 2026 and cut its Business seat price to $20 in April 2026.
Annual billing locks you into prices that are trending down. The one reasonable exception is Claude Pro at $17/mo annual, where the commitment is small.
The typical stack an owner-operator assembles piecemeal (an AI writing tool, a chatbot widget, a research tool, a transcription tool, an image generator) runs $300-400/mo. The math is not close: $350/mo x 12 = $4,200/yr for the stack, vs $20/mo x 12 = $240/yr for one general assistant.
Even the $100 power tier is $1,200/yr, about a third of the stack's low end. Most of those point tools are thin wrappers around the same underlying models you can buy once.
We break down the wider spend question in what an AI consultant costs.
Here is what a $20 assistant will not do. A general assistant does not replace your accounting software, booking system, or point of sale. It replaces the AI-flavored subscriptions that each do one narrow drafting or research job.
And the subscription is the small cost either way: the costs that add up are your review time and the mistakes an assistant makes when it guesses about your business. A $20 assistant that invents your prices in a customer email is more expensive than a $200 one that does not.
That risk is not fixed by a higher tier. It is fixed by grounding: giving the assistant your actual rules, voice, and numbers as plain files it reads before drafting, a business knowledge base. Building that, plus draft-and-review workflows where you approve everything, is the first month of our work at Bamboo Digital.
Start at $20, bill monthly, revisit in 90 days
Pick the $20 tier of whichever vendor sits closest to your existing work. Put a 90-day reminder in your calendar. If you never hit a limit, you are done deciding.
If limits cost you money twice a week for a month, take the $100 tier and cancel two point tools to pay for it 3 times over.