Quick question: does your AI tool run on your infrastructure?
If you provide your own API key, your data stays local, and the vendor doesn't host servers for you — why are you paying monthly?
How it usually works
You sign up for an AI prospecting tool. $299/month. You connect your API key. Your data stays in your system. The tool runs locally.
The vendor's ongoing cost to serve you: approximately zero. Your ongoing cost: $3,588 per year. For software that sits on your machine.
That's not a subscription. That's rent on code you could own.
Why they do it anyway
Recurring revenue is worth more to investors than one-time revenue. A company with $1M in ARR is valued at 5-10x revenue. A company with $1M in one-time sales is valued at 1-2x.
So SaaS companies optimize for recurring revenue even when their product doesn't require recurring costs. The pricing model serves their cap table, not their customers.
The one-time alternative
If the tool runs on your infrastructure and doesn't need ongoing vendor infrastructure, the one-time model is better for you in every scenario:
Month 1: same price or cheaper. Month 2: you're already ahead. Month 12: you've saved $3,000+. Month 24: you've saved $6,000+.
The daily cost drops every single day you use it. By year two, it rounds to zero.
What to look for
Next time you evaluate an AI tool, ask: where does this run? If the answer is "your machine, your API key" — look for the one-time purchase option. It probably exists somewhere, even if the venture-backed version doesn't offer it.