Most solopreneurs pay for more AI tools than they use. This is an honest assessment based on 18 months of running a one-person agentic operation. No affiliate links. No sponsored mentions. Just what is worth the money.
The three categories worth paying for
There are exactly three categories where the paid tier earns its cost.
A frontier model subscription. Claude Pro ($20/month) or ChatGPT Plus ($20/month). The quality gap between free and paid tiers is real — faster responses, longer context windows, access to the best available model. If you use AI daily for work that ships, $20/month is the lowest-leverage decision you will make. Pick one and commit.
A workflow automation tool. Make ($9–16/month) or Zapier ($20+/month). This is the glue that connects your tools. Without it, you are doing manually what should run automatically. A single automation that saves 30 minutes per week pays for itself in the first month. The ROI calculation is not complicated.
A GEO/citation monitoring tool. Otterly AI or Evertune. If citation rate in AI-generated answers is a business metric for you — and it should be — you need to track it. You cannot optimize what you do not measure. These tools are early-stage and imperfect, but they are the only way to know whether your content is being cited by LLMs.
The categories not worth paying for
Most AI SaaS products fall into this bucket.
AI writing tools that wrap GPT-4. You are paying a markup for a UI. The underlying model is the same one you can access directly through ChatGPT or the OpenAI API. Unless the wrapper provides a workflow you genuinely cannot replicate, cancel it.
AI image generation for content. For occasional use, Canva AI’s free tier is sufficient. Brief a designer for anything that needs to be good. The paid tiers of standalone image generation tools are not worth it unless you are generating images at volume — and if you are, you should be on the API anyway.
AI meeting tools if you have fewer than five meetings per week. The free tiers of Otter.ai and Fireflies handle transcription and basic summaries. The paid features — advanced search, longer storage, CRM integrations — only matter at higher meeting volume. Below five meetings per week, the free tier is sufficient.
The 14-day test
For every AI tool you pay for, ask one question: did it produce output I shipped in the last 14 days?
If the answer is no, cancel it. Not pause it. Cancel it. Pausing is a psychological trick that keeps you subscribed. Cancelling forces you to make an active decision to resubscribe when you have a specific use case.
The default should be cancelled, not subscribed. Resubscribing takes five minutes. The cost of staying subscribed to tools you do not use compounds every month.
What a reasonable AI stack costs
Here is what a functional AI stack costs for a solopreneur or small team:
- Frontier model (Claude Pro or ChatGPT Plus): $20/month
- Workflow automation (Make): $16/month
- GEO/citation monitoring: $50–100/month
Total: $86–136/month.
If you are paying more than $500/month across AI tools, you have tool sprawl. Audit every line item against the 14-day test and cut anything that does not pass. The number of tools is not a proxy for capability.
Free tiers that are genuinely sufficient
Several tools have free tiers that cover most use cases:
- Claude free tier — sufficient for low-volume content work
- ChatGPT free tier — sufficient for occasional use
- Perplexity free tier — sufficient for research and source-finding
- Canva AI free tier — sufficient for occasional image work
- Notion AI free tier — sufficient for note summarization
The rule: use the free tier until you hit a specific, measurable limit. Not a vague sense that you need more. A specific limit — context length, generation count, export restriction. When you hit it, upgrade. Not before.
The build vs. buy decision
For high-volume, specific use cases, building a custom agent on the API is cheaper than paying for a SaaS wrapper.
The break-even point is roughly 500 uses per month. Below that, the SaaS convenience is worth the markup. Above it, the API is almost always cheaper — often by a factor of three to five.
Before subscribing to any AI SaaS tool, calculate your expected monthly usage. If you are above 500 uses, get an API key and build a thin wrapper. It takes a few hours and saves money every month after that.
We send a quarterly AI tool audit template — the 14-day test, the cost calculator, and the build vs. buy framework — to Field Notes subscribers. Get it at avakata.agency/contact.html.
If you want to talk through your current AI stack and where to cut or invest, book a discovery call. We do this audit as part of every engagement.