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| Feature | Free | Pro |
|---|---|---|
| All lessons | ||
| Interactive code editor | ||
| Code execution | ||
| Python & JavaScript | ||
| Progress tracking & XP | ||
| Output-based grading | ||
| Test case grading | ||
| Basic Projects | ||
| AI tutor during lessons | ||
| AI project code review | ||
| AI scoring & suggestions | ||
| Advanced Projects with GitHub |
Yes. You can upgrade to annual billing anytime from your profile. We'll pro-rate your current period and apply the discount.
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The AI tutor sees your current code and lesson context. Ask it anything mid-lesson — it guides you with hints without giving away the answer.