How to Pick the Right AI on a Budget: The Living Guide

Here’s a number that should make you angry.

Most people who pay for AI are paying for the wrong one. They picked whatever their coworker mentioned, or whatever showed up first in an app store search, and they’ve been handing over $20 a month ever since without ever asking if it’s the right $20.

Meanwhile the people who’d benefit most from AI haven’t started at all, because they think it costs real money. It doesn’t. You can get genuine, life-changing value from AI for exactly zero dollars. I’ll show you where.

This is a living guide. AI pricing and models change every few months, so I update this page when they do. Bookmark it. Check back before you pull out your card.

The One Rule Before You Spend Anything

Don’t pay for AI until a free version has already saved you time.

That’s it. That’s the rule.

If you haven’t gotten value from a free AI assistant yet, the problem isn’t the price tier. The problem is you haven’t built the habit of asking. Paying $20 a month doesn’t fix that. It just makes the unused tool more expensive.

So start free. Use it daily for two weeks. The moment you hit a wall the free version can’t get past, you’ll know exactly what you’re paying to fix. That’s when you spend.

The $0 Tier: More Than You Think

Every major AI company gives away a free tier that would have been science fiction three years ago.

What you get free, as of this update:

• ChatGPT (free). Solid everyday assistant. Good for drafting, questions, brainstorming. The free tier gets you the standard model with usage limits that reset.
• Claude (free). My personal pick for writing quality and careful thinking. Free tier has daily limits, but they’re workable for normal personal use.
• Gemini (free). Google’s assistant, and it’s built into things you already use. If you live in Gmail and Google Docs, start here.

What the free tier is genuinely good for:

• Drafting and rewriting emails
• Meal plans, workout plans, packing lists
• Explaining anything you don’t understand, at whatever level you need
• First drafts of hard conversations
• Homework help, both yours and your kids’
• Summarizing long documents you paste in

Where you’ll hit the wall:

• Daily message limits, right when you’re in the middle of something
• Slower or older models during busy hours
• Short memory. Long projects lose the thread.

For a lot of people, the wall never comes. My honest estimate: a third of paying subscribers could drop to free tomorrow and notice nothing. Don’t be embarrassed to be a free user. Be embarrassed to pay for something you don’t use.

The $20 Tier: Where Most People Should Land

This is the sweet spot. One subscription, twenty dollars, and you’ve upgraded your daily thinking partner to the good stuff.

All three majors sit at roughly the same price. The question isn’t which is cheapest. It’s which one fits how you work.

Pick ChatGPT Plus if: you want the biggest toolbox. Image generation, voice conversations, a huge ecosystem of custom assistants. It’s the Swiss Army knife.

Pick Claude Pro if: your work is words. Writing, editing, thinking through problems, long documents. Claude is the one I trust with anything where the quality of the writing matters. It’s also my pick for honesty. It pushes back instead of flattering you.

Pick Gemini’s paid plan if: your life runs on Google. The integration with Gmail, Docs, and Drive is the feature. A good AI inside the tools you already use beats a great AI in a separate tab.

The test for whether $20 is worth it for you: does AI save you two hours a month? At any reasonable value of your time, two hours covers the subscription. Most daily users save that in a week.

One warning. Pick ONE. The person with three $20 subscriptions almost never uses all three. Pick the one that matches your work, master it, and only add a second when you can name the specific thing the first one can’t do.

The $25 to $60 Tier: The Tinkerer’s Zone

This is where it gets interesting, and where most guides go quiet because it takes a little learning.

Instead of a subscription, you can pay for AI by usage through what’s called an API, or through services that route you to many models at once. You put in $10, and it drains as you use it. Light users might spend $5 a month this way. There are also open-weight models from smaller labs that cost a fraction of the big names and handle routine work shockingly well.

Real example from my own house: I run AI agents for my family that handle scheduling, reminders, and daily routines. They run around the clock. If I ran them on a premium model paying per message, the bill would be painful. Instead they run on a budget model that costs a fraction of the big names, and for routine work I honestly can’t tell the difference. The premium model is reserved for the work that deserves it.

That’s the principle of this tier: match the model to the task. Premium models for thinking and writing that matters. Budget models for volume work.

Skip this tier if you just want an assistant to talk to. The $20 subscription is simpler and better for that.

Enter this tier if you’re starting to build things: automations, agents, tools that run while you sleep. This is where builders live, and the savings get serious at volume.

The $100+ Tier: When More Is Actually More

The top plans, $100 to $200 a month, exist for one kind of person: someone whose AI does real work for hours a day.

I pay for one of these. Here’s why it makes sense for me and probably doesn’t for you yet. My AI doesn’t just answer questions. It builds websites, writes and deploys code, manages projects, and runs long working sessions every single day. I built an interactive history timeline with over 1,800 events without writing a line of code myself. At that usage level, the math is easy: it replaced thousands of dollars of development work in the first month.

The test for this tier: is AI doing multiple hours of work for you daily, and are you hitting the ceiling of the $20 plan constantly? Both true? Upgrade and don’t look back. Either false? Stay at $20.

You don’t earn your way to this tier by paying more. You earn your way here by using AI so much that the limits actually cost you money.

The Decision in 60 Seconds

• Never used AI seriously? Free tier. Today. Pick any of the three.
• Using it daily and hitting limits? $20 on the one that matches your work. Words: Claude. Toolbox: ChatGPT. Google life: Gemini.
• Building automations or agents? Add usage-based access and learn to mix cheap models with premium ones.
• AI works for hours every day and limits are costing you? The big plan pays for itself.

And in every case: one subscription at a time. Master it before you add anything.

What I Actually Run (Full Disclosure)

People ask, so here’s my real stack as of this update. A premium plan for my main AI that builds and codes daily. Budget open-weight models for the family agents that run around the clock. Pay-per-use for text-to-speech that records audio content. Free tiers for everything I’m just experimenting with.

Total cost: less than a family cell phone plan. Output: a personal assistant for every member of my family, three websites, a daily content pipeline, and more reclaimed hours than I can count.

That’s the whole point. This isn’t about spending more on AI. It’s about spending exactly enough, on exactly the right thing, for exactly where you are right now.

Start free. Upgrade when you feel the wall. And check back here before you do, because this page will already know what changed.

Want help picking your first AI and setting it up so it actually sticks? That’s literally what I do. See how Achievementoring works.