AtCoder vs LeetCode: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for AtCoder and LeetCode side by side. This page compares data; it is not a hands-on review.
On the data: On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
AtCoder
Compete in programming contests, improve coding skills, and climb the global ranking ladder.
Best for you if:
- • You want a fully free tool (LeetCode requires payment)
LeetCode
Master coding interviews with 3,000+ problems and contests
Best for you if:
- • You want largest and most relevant problem set for FAANG-style interviews
| At a Glance | AtCoder | LeetCode |
|---|---|---|
Starts at | Free 100% free | Free plan |
Category | Testing & QA Developer Tools | Testing & QA Developer Tools |
Rating | n/a | 4.2/5 G2 4.5 · SourceForge 3.8 20 reviews |
Free plan | Yes | Yes |
Choose AtCoder or LeetCode?
Choose AtCoder if
- You want a fully free tool (LeetCode requires payment)
- You want offers a wide range of contest types for different skill levels (Beginner, Regular, Grand, Heuristic)
- You want provides a clear rating system and global rankings to track progress and compare with others
Choose LeetCode if
- You want largest and most relevant problem set for FAANG-style interviews
- You want company tags show exactly which problems each firm asks
In-Depth Analysis
AtCoder
Compete in programming contests, improve coding skills, and climb the global ranking ladder.
AtCoder's pricing is exceptionally generous, as all participation is completely free.
Strengths
- Pro: Offers a wide range of contest types for different skill levels (Beginner, Regular, Grand, Heuristic).
- Pro: Provides a clear rating system and global rankings to track progress and compare with others.
- Pro: Regularly updated with new contests and announcements, keeping the platform active and engaging.
- Pro: Includes practice contests for first-time users and library testing.
Weaknesses
- Con: Information about specific problem types or learning resources is not directly visible on the homepage.
- Con: The focus is heavily on competitive programming, which might not appeal to all developers.
Key features
LeetCode
Master coding interviews with 3,000+ problems and contests
LeetCode's pricing is fair, especially with the generous free tier offering 3,000+ problems.
Strengths
- Pro: Largest and most relevant problem set for FAANG-style interviews
- Pro: Company tags show exactly which problems each firm asks
- Pro: Active community provides multiple solution approaches per problem
- Pro: Contest system builds speed and accuracy under pressure
- Pro: Free tier covers thousands of problems with no paywall
Weaknesses
- Con: Premium subscription required for company-specific frequency sorting
- Con: Problem difficulty ratings can be inconsistent
- Con: Editorial solutions are sometimes hard to follow without video
- Con: Focuses almost entirely on algorithms, limited system design coverage
- Con: Can encourage rote memorization over deep understanding
Key features
Plans and prices: AtCoder vs LeetCode
| Tool | Plans and prices | Source |
|---|---|---|
| AtCoder |
| atcoder.jp read Sep 28, 2026 |
| LeetCode | No plan prices on file | leetcode.com/subscribe read Oct 4, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on AtCoder pricing and LeetCode pricing.
Key Takeaways
AtCoder
- Choose if you want compete in programming contests, improve coding skills, and climb the global ranking ladder
LeetCode
- Choose if you want master coding interviews with 3,000+ problems and contests
What the data shows
On the data below the two are close or not directly comparable, so we do not name a winner for this pair.
- Only LeetCode has a published user rating (4.2/5 from 20 reviews); AtCoder has none we can show.
- Both have a free plan.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do AtCoder and LeetCode compare in 2026?
On the data below the two are close or not directly comparable, so we do not name a winner for this pair. Only LeetCode has a published user rating (4.2/5 from 20 reviews); AtCoder has none we can show. Both have a free plan.
What are AtCoder and LeetCode used for?
AtCoder: Compete in programming contests, improve coding skills, and climb the global ranking ladder. LeetCode: Master coding interviews with 3,000+ problems and contests.
What does AtCoder cost vs LeetCode?
AtCoder is free. LeetCode has no public paid-plan price on file. Prices read on the vendors' pricing pages, latest check Oct 4, 2026.
What's the main difference between AtCoder and LeetCode?
AtCoder's main strength: offers a wide range of contest types for different skill levels (Beginner, Regular, Grand, Heuristic). LeetCode's main strength: largest and most relevant problem set for FAANG-style interviews.