AtCoder vs Codeforces: 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 Codeforces 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 offers a wide range of contest types for different skill levels (Beginner, Regular, Grand, Heuristic)
Codeforces
Compete in online programming contests and improve your algorithmic problem-solving skills.
Best for you if:
- • You want free to participate in contests
| At a Glance | AtCoder | Codeforces |
|---|---|---|
Starts at | Free 100% free | Free 100% free |
Category | Testing & QA Developer Tools | Testing & QA Developer Tools |
Rating | n/a | n/a |
Free plan | Yes | Yes |
Choose AtCoder or Codeforces?
Choose AtCoder if
- 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 Codeforces if
- You want free to participate in contests
- You want open to all ages and skill levels
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
Codeforces
Compete in online programming contests and improve your algorithmic problem-solving skills.
Strengths
- Pro: Free to participate in contests
- Pro: Open to all ages and skill levels
- Pro: Opportunity to win scholarships and prizes
- Pro: Excellent for improving coding and problem-solving skills
- Pro: Active and supportive community
Weaknesses
- Con: Requires self-discipline for consistent practice
- Con: Contest times may not be convenient for all time zones
Key features
Plans and prices: AtCoder vs Codeforces
| Tool | Plans and prices | Source |
|---|---|---|
| AtCoder |
| atcoder.jp read Sep 28, 2026 |
| Codeforces | No plan prices on file | codeforces.com |
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 Codeforces pricing.
Key Takeaways
AtCoder
- Choose if you want compete in programming contests, improve coding skills, and climb the global ranking ladder
Codeforces
- Choose if you want compete in online programming contests and improve your algorithmic problem-solving skills
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.
- 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 Codeforces 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. Both have a free plan.
What are AtCoder and Codeforces used for?
AtCoder: Compete in programming contests, improve coding skills, and climb the global ranking ladder. Codeforces: Compete in online programming contests and improve your algorithmic problem-solving skills.
What does AtCoder cost vs Codeforces?
AtCoder is free. Codeforces is free. Prices read on the vendors' pricing pages, latest check Sep 28, 2026.
What's the main difference between AtCoder and Codeforces?
AtCoder's main strength: offers a wide range of contest types for different skill levels (Beginner, Regular, Grand, Heuristic). Codeforces's main strength: free to participate in contests.