AI Won’t Replace Great Teachers. It Makes Them Greater.

A language tutoring company just raised 150 million dollars. The interesting part is not the money. It is what they refused to build with it.

Preply, a marketplace that connects more than 100,000 human tutors with learners in over 180 countries, closed a 150 million dollar round this year and rolled out a new suite of AI tools. Every incentive in the market pushed them toward the obvious move: replace the expensive humans with cheap software. They did the opposite. They built AI to make their tutors better, and they said so out loud.

The headline everyone got wrong

When a tech company adds AI to a human service, the story usually writes itself. Cut staff, scale the software, watch margins climb. So when an education platform announces AI features, the reflex is to brace for the part where the teachers get phased out.

That is not what happened here. Preply framed its AI as a layer that sits underneath the tutor, not on top of the learner. The company reported that 97 percent of its learners say human interaction is what they value most, and that students working with a tutor progress roughly three times faster than the industry norm. Read those two numbers together and the strategy is obvious. The human relationship is the product. The AI exists to protect it, not to compete with it.

This matters far beyond one company. The same choice is sitting on every educator’s desk and in every professional’s inbox right now. You can hand your judgment to the machine, or you can hand the machine your busywork and keep your judgment. Those are not the same decision, and the gap between them is where real AI literacy lives.

What Preply actually built

Strip away the marketing and three tools do the work, and each one is a clean example of AI taking the prep while the human keeps the teaching.

Lesson Insights turns each session into an instant, personalized summary so the learner stays oriented and motivated between meetings. The tutor used to write that recap by hand, late at night, for every student. Now the draft writes itself and the tutor edits it in seconds.

Daily Exercises are bite-sized practice activities pulled directly from what happened in the last lesson. They keep vocabulary warm and habits consistent without the tutor building a fresh worksheet from scratch every day.

Scenario Practice gives learners real-world speaking reps between sessions, while letting the tutor steer those reps toward the goals they set together. The AI runs the rehearsal. The human sets the direction.

Notice the pattern. In all three cases, AI absorbs the preparation, the repetition, and the record keeping. The human keeps the judgment, the relationship, and the moment of actual teaching. That division of labor is not an accident. It is a design principle, and it is one you can borrow today. It echoes the same lesson we drew from the elementary school teachers who pushed back on AI in their classrooms: the fear is not the tool, it is the tool replacing the relationship.

The skill hiding inside the story

Here is the part most coverage skips. The Preply story is not really about tutoring. It is a working demonstration of the single most useful AI skill you can build in 2026. Call it the Augmentation Test.

The Augmentation Test is one question you ask before you let AI touch any task: does this tool replace my judgment, or does it free me to use more of it? If the answer is that it frees you, lean in hard. If the answer is that it quietly takes over the thinking, stop and reconsider. That single question separates people who get leverage from AI from people who slowly get hollowed out by it.

You might be thinking that sounds simple enough to be obvious. It is simple. It is also the exact distinction that almost everyone skips, because the lazy version of AI use feels productive in the moment. Letting AI write the whole report is faster today and more expensive in six months, when you realize you can no longer write the report yourself. We have written before about that dependency trap, and the Augmentation Test is the antidote to it.

How to run the Augmentation Test on your own work

You do not need a 150 million dollar budget to apply what Preply figured out. You need a habit. Here is how to build it into the way you already work.

Start with one task you dread. Pick the recurring chore that drains you: the weekly recap, the first-draft email, the practice set, the meeting notes. That is your Lesson Insights moment. Hand the prep to AI and keep the part that needs you.

Name the line you will not cross. Decide, before you start, which piece stays human. For a teacher it might be the feedback that names a student’s specific growth. For a manager it might be the hard conversation. Write the line down so the convenience of AI does not quietly erase it later.

Edit, never accept. Treat every AI output as a tutor treats a generated lesson summary: a fast draft to sharpen, not a final answer to rubber-stamp. The editing is where your judgment stays sharp. Skip it, and you are training yourself to be replaceable.

This is the heart of what we teach as SeedStacking: small, repeatable AI wins that compound into genuine capability instead of dependence. One augmented task this week. Two next week. Real fluency is built that way, not announced, a point we made in our breakdown of what AI literacy actually means.

Preply’s own leadership put the principle more plainly than any framework could.

This will never replace the value of human connection.

Kirill Bigai, co-founder and CEO of Preply

The warning nobody puts on the box

Here is the trap, stated plainly, because the upside is easy to sell and the downside is easy to ignore. If you let AI take over the relationship instead of the busywork, you do not get a faster version of learning. You get a hollow one. The recap still appears, the practice still happens, the email still sends. But the human judgment that made any of it matter has quietly left the room, and by the time you notice, the skill to do it yourself has gone with it.

Preply bet 150 million dollars that people will always pay for the human in the loop. That bet only pays off if the human stays genuinely valuable. The same is true for you. AI will not replace great teachers, great managers, or great thinkers. But it will absolutely replace the ones who handed it their judgment and called it efficiency. The difference is not the technology. It is whether you keep doing the part that makes you you.

The future of learning, and of nearly every knowledge job, is not human versus AI. It turns out to be human plus AI, with a clear line about who owns what. Draw that line on purpose, and AI makes you greater. Skip it, and it makes you optional.

Sources: Preply, “New AI-Powered Features for Personalized Learning in a Human and AI World” (2025); EdTech Innovation Hub, “Preply Raises 150 Million for Human-Led AI Learning” (2026).