AI speaking coaches are everywhere now. Apps that analyze your voice, score your video, and let you role-play a tough conversation at 2 a.m. are popping up faster than I can keep up with them. So it’s a fair question: can AI replace a public speaking coach?
I got curious enough to test a couple of them myself. Here’s what I found, and why I don’t think a machine can do the part of coaching that matters most.
What AI Speaking Coaches Actually Do
Most of these tools fall into two camps. The first analyzes a recording of you speaking, measuring things like pace, filler words, tone, and sometimes eye contact. The second lets you practice a conversation with an AI role-play partner and then gives you feedback.
Both can sound impressive in the marketing. In practice, my experience was more mixed.
What Happened When I Tried Them
The Role-Play Bot That Never Stopped Talking
I tested one tool built for professional conversation practice. The bot kept the conversation going and going, and never let me end it. It also said it would help me reduce filler words, but it never flagged one during the conversation. I got a tally at the end, long after it could help me change anything in the moment.
It told me my speed was too slow and outside the “optimal zone,” but again, only afterward. That “optimal” speed would have been too fast if I’d been speaking with someone with lower comprehension, like a non-native speaker. The tool had no idea who I was talking to, so it measured me against one generic standard.
The role-play options were limited too. I had to pick from three boss profiles. It wasn’t like practicing with a human, where you can tell them all about your actual boss and they play that person. A real person adapts to your situation. This gave me a menu.
The Tool That Thought I Was Flat
I tried a second tool that analyzed my delivery, and it labeled me flat unless I was overly expressive. To get it to register, I had to use a level of expressiveness that wouldn’t be appropriate for most presentations. In other words, I had to over-act to satisfy the algorithm.
I’m not alone in noticing this kind of thing. A review of AI speaking platforms by the presentation firm Duarte found that these tools lack context about the audience and goals, mostly address delivery instead of content, and often repeat the same standard tips. Their conclusion was that the tools can help brand-new speakers with the basics, but aren’t suitable for experienced speakers who need nuanced, personalized coaching.
Data Isn’t Coaching
I’ve had clients who used AI tools that measured their speaking speed or counted their filler words. Not one of them said the information helped them make a change. A number tells you what happened. It doesn’t tell you why, or what to do about it.
That’s the difference between measurement and coaching. (And if you want to know where those filler words are really coming from, it’s rarely the filler words themselves.)
The AI Signature Problem
Here’s what worries me most. Video and voice analysis tools are built around benchmarks, which means they nudge everyone toward the same target. If thousands of people are being coached by the same tools toward the same “optimal” pace, tone, and expressiveness, they’re going to start to sound alike.
We’ve already seen what this looks like in writing. Most of us can now spot text that was written by AI. I think the same thing is coming for speaking. People will recognize the cadence, the polish, and the sameness, and they’ll know you were coached by AI. You’ll have an “AI signature,” and you’ll lose the individuality and personality that made people want to listen to you in the first place.
That’s my prediction, not a research finding. But I’ve watched what happens when speakers try to sound like someone else, and it never goes well.
What AI Can’t Coach: Nerves, Past Experiences, and Mindset
The biggest gap isn’t technical. It’s mental.
I recently worked with a client who had been reliving a bad presentation in a meeting. Every time she prepared for a meeting, she replayed it in her head. When one of the directors who had been in that room was present, she became extremely nervous and blanked out.
Here’s the thing: her skills were fine. In our sessions and in low-stakes meetings, she spoke well. The problem was never her delivery. It was a memory, and what it had taught her to expect from herself. There was nothing for an AI to coach her on changing, because nothing was wrong with her speaking. The mindset and confidence were the work, and that’s work a human coach does.
AI can’t help you work through a negative past experience. It can’t help you notice the mindset that’s feeding your nerves, and it can’t help you change it. It also can’t calm you down in the moment. Those are the things that keep most people from speaking up.
What a Human Coach Does That AI Can’t
A coach is more than a scoring system. Here’s some of what a human does that a tool can’t:
- Flags things in real time. A coach can stop you mid-sentence so you don’t practice something wrong over and over and make it permanent.
- Reads the room, and teaches you to. Adjusting on the fly depends on noticing your audience, and no app has your audience in front of it.
- Helps with impromptu speaking. That means handling the unplanned moment, which can’t be scripted or scored.
- Adapts when something isn’t working. If an approach doesn’t click, a human tries another one, and keeps trying until you get the result you want.
- Knows when not to push. Sometimes a student could improve in an area but is happy with the result. I don’t push it, because at that point they’re gaining confidence, which means they’ll do it more and keep getting better. If I’d pushed, I might have chipped away at that confidence and made things worse. An algorithm that says “you could improve” doesn’t know the difference.
A Better Tool: Record Yourself
If you want to practice on your own, I’d skip the AI coach and record yourself. Then play it back. You get to see and hear what your audience sees and hears, and you get to decide what you like and what you’d change, so the style stays yours. (It’s a technique I use with my own clients, and it works.)
Stay Authentic
If you do use an AI speaking tool, my biggest advice is this: don’t lose your personality and individual style to it.
Great speakers are great because they’ve stayed true to themselves. They don’t try to sound like everyone else. Brené Brown is calming and deliberate. Tony Robbins is full of energy and will high-five people in the audience. Two very different styles, and both are very successful.
Your style doesn’t need to be “optimized.” It needs to be yours. (If you want to explore what that looks like, here’s how I help clients develop an authentic and confident speaking style.)
So, Can AI Replace a Public Speaking Coach?
For the mechanics, AI can give you numbers. For the part that actually changes how you speak, including nerves, mindset, and the confidence to be yourself, you need a human.
I’m not anti-AI, and I’ll be sharing more on how to use it to support your communication. Why human communication skills matter more than ever in an AI world is a good place to start.
If you’re ready to work with a coach who’ll help you sound like the best version of yourself, explore my coaching programs or book a free consultation.
Want to keep building these skills on your own in the meantime? Subscribe to my free Substack newsletter for a public speaking challenge delivered to your inbox every week.