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CodeTrain
The AI tutor that refuses to write your code
A hands-on AI coding trainer that teaches developers on their own codebase, one small step at a time. AI writes the code. CodeTrain makes sure your engineers still understand it, and proves it. The AI plans the lesson, runs your code, and grades every step, but you type every line yourself. Free in-browser tier; Pro adds repo mode with patch-back; Team adds a ramp dashboard + onboarding.
I built CodeTrain after noticing what a year of AI autocomplete does to a team: everyone ships faster but explains less. Assistants optimize for producing code. CodeTrain optimizes for producing engineers who understand it, so it does the one thing no other AI tool will: it refuses to type your code. It plans a lesson from your own codebase in 2-6 tiny steps using repo mode, you write each one in an editor with instant run/test feedback, and it grades every step. Stuck? The step gets smaller. The answer never comes for free.
What to try in your first two minutes: sign in (free, no card), ask it to teach you something you've been faking your way around, and even try to make it write the code for you. Losing that argument is the product working.
Free tier: in-browser trainer, 10 sessions/month. Pro ($24/mo): repo mode on your real projects, one integrated patch-back of the code YOU wrote, BYOK if you'd rather run lessons on your own key. Team ($32/seat): ramp dashboards and onboarding journeys generated from your repo.
PH-only: code PRODUCTHUNT at checkout for 20% off three months.
I'll be here all day. Hard questions about pricing, privacy, or whether AI tutoring is snake oil are welcome; I'd rather answer those than collect confetti.
About CodeTrain on Product Hunt
“The AI tutor that refuses to write your code”
CodeTrain was submitted on Product Hunt and earned 11 upvotes and 14 comments, placing #73 on the daily leaderboard. A hands-on AI coding trainer that teaches developers on their own codebase, one small step at a time. AI writes the code. CodeTrain makes sure your engineers still understand it, and proves it. The AI plans the lesson, runs your code, and grades every step, but you type every line yourself. Free in-browser tier; Pro adds repo mode with patch-back; Team adds a ramp dashboard + onboarding.
On the analytics side, CodeTrain competes within Developer Tools, Artificial Intelligence and Online Learning — topics that collectively have 994.1k followers on Product Hunt. The dashboard above tracks how CodeTrain performed against the three products that launched closest to it on the same day.
Who hunted CodeTrain?
CodeTrain was hunted by InferHaven. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
For a complete overview of CodeTrain including community comment highlights and product details, visit the product overview.
InferHaven
Hey PH, founder here.
I built CodeTrain after noticing what a year of AI autocomplete does to a team: everyone ships faster but explains less. Assistants optimize for producing code. CodeTrain optimizes for producing engineers who understand it, so it does the one thing no other AI tool will: it refuses to type your code. It plans a lesson from your own codebase in 2-6 tiny steps using repo mode, you write each one in an editor with instant run/test feedback, and it grades every step. Stuck? The step gets smaller. The answer never comes for free.
What to try in your first two minutes: sign in (free, no card), ask it to teach you something you've been faking your way around, and even try to make it write the code for you. Losing that argument is the product working.
Free tier: in-browser trainer, 10 sessions/month. Pro ($24/mo): repo mode on your real projects, one integrated patch-back of the code YOU wrote, BYOK if you'd rather run lessons on your own key. Team ($32/seat): ramp dashboards and onboarding journeys generated from your repo.
PH-only: code PRODUCTHUNT at checkout for 20% off three months.
I'll be here all day. Hard questions about pricing, privacy, or whether AI tutoring is snake oil are welcome; I'd rather answer those than collect confetti.