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Give it a topic. Get a challenge. Write the solution yourself — KodaAI watches every keystroke and corrects you as you go.

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macOS 12+ · Apple Silicon & Intel · Free to start

challenge.ts

TypeScript · KodaAI

KodaAI · Mentor

● TypeScript

0 errors Ln 1, Col 1

What do you want to master today? ▋

Everything you need to actually learn

Not another AI that writes code for you. An AI that makes you better at writing it yourself.

Beginner Binary Search

Given a sorted array and a target, return its index or -1 if not found. Aim for O(log n).

function binarySearch(arr, target) {'{'}

// TODO

{'}'}

Challenge Engine

Ask for any topic and get a custom coding challenge tailored to your current skill level — no copy-paste answers anywhere.

solution.ts — editing

1for (let i = 0; i

2 while (i > arr.length) {'{'}

3// ...

Wrong direction. > means the loop never runs. Did you mean <?

Live Keystroke Feedback

KodaAI watches every keystroke in real time. Misconceptions get caught and corrected the moment they appear — not after a submit.

Concept mastery

Hash Maps 94%

Sorting 71%

Recursion 43%

Binary Search 28%

Cognitive Debugger

Track your growth over time. See which concepts you own and which ones still slip — so you practice with precision, not repetition.

const seen = new Map()

Stores each value seen so far. Lets us look up the complement in O(1) instead of scanning the array again.

if (seen.has(need))

Complement found. Return immediately — no need to finish iterating.

seen.set(num, i)

Record this number before moving on, so future iterations can find it.

Logic Dissection

Each line of your code links to a plain-English explanation. See exactly why your solution works — or exactly where it breaks.

TypeScript

active

Python

Rust

Java

C++

→ adapts challenges, examples & feedback to the language you pick

Any Language, Any Level

TypeScript, Python, Rust, Go, Java, C++ — KodaAI adapts every challenge and explanation to the language and level you choose.

Simple, transparent pricing

Start free. Upgrade when you're ready to go deeper.

Free

$0 /month

For individuals getting started.

Get started free

5 sessions per day
20 mentor messages per day
TypeScript & Python
Challenge history (7 days)
Community support

Frequently Asked Questions

Common questions about KodaAI, how it works, and how it compares.

Yes — the Free tier gives you 5 sessions and 20 mentor messages per day, which is enough to build a real daily learning habit. When you're ready to go deeper, Pro unlocks unlimited sessions, all languages, and the full Cognitive Debugger for $25/month.

Copilot and Cursor are productivity tools — they write code so you don't have to. KodaAI is a learning tool — it deliberately does not write your code. Instead, it gives you challenges, watches you solve them, and explains what you got right or wrong. The goal is to transfer understanding to you, not just output to a file.

TypeScript and Python are fully supported at launch. Go, Rust, and Java are available as beta languages on the Pro plan. More are on the roadmap — vote on Discord to prioritize your favourite.

As you type, KodaAI parses your code incrementally using Tree-sitter and sends short context windows to the AI mentor. The mentor checks for logical errors, conceptual gaps, and style issues — not just syntax. Feedback appears inline as annotations linked to the relevant lines.

Yes. Your sessions are encrypted in transit and never stored beyond the current session unless you explicitly save them. We do not use your code to train any models. You can also bring your own Anthropic API key for full control over inference.

Absolutely — it's one of the most common use cases. Ask for challenges by topic (arrays, trees, DP), difficulty, or company tag. The Cognitive Debugger shows you which patterns you've mastered versus where you keep making mistakes.

Free gives you 5 sessions and 20 messages/day with TypeScript and Python. Pro ($25/month) removes those limits, adds all beta languages, full history, and the Cognitive Debugger. Enterprise is for schools and companies — it adds seat management, custom curriculum, per-student reports, SSO, and a dedicated SLA.

macOS is supported at launch (Apple Silicon and Intel). A Windows build is in progress. Linux support is planned. The web version runs in any modern browser with no install required. KodaAI is built on Tauri, so all three desktop platforms share the same codebase.

Have another question? Join the Discord and ask

You can prompt.Now learn to program.