coding contests

Free coding contests with no entry fee

Coding contests that charge nothing to enter. Most do not, but a few campus events do, so this filters them out.

48
Open now: 984
Across the index

LAST CALLSHUTS IN 1 DAY
Starters 262
CodeChef · Online · Rating and ranks
OPEN
LAST CALLSHUTS IN 3 DAYS
RIFT CTF - 2026
Indian Institute of Information Technology (IIIT), Allahabad · Online · ₹50K
OPEN
LAST CALLSHUTS IN 3 DAYS
HACK TO THE FUTURE 2027 (AtCoder Heuristic Contest 074)
AtCoder · Online · Rating and ranks
OPEN
CLOSINGSHUTS IN 4 DAYS
AtCoder Beginner Contest 482
AtCoder · Online · Rating and ranks
OPEN
CLOSINGSHUTS IN 4 DAYS
Codeforces Round 1131 (Div. 3)
Codeforces · Online · Rating and ranks
OPEN
CLOSINGSHUTS IN 5 DAYS
Predicting Airline Satisfaction
Kaggle · Online · Swag
OPEN
CLOSINGSHUTS IN 5 DAYS
Weekly Contest 526
LeetCode · Online · Rating and ranks
OPEN
CLOSINGSHUTS IN 5 DAYS
GoDaddy Inclusive Innovation Hackathon 2026
HackerEarth partner · Online · Free
OPEN
CLOSINGSHUTS IN 7 DAYS
ARC Prize 2026 - ARC-AGI-3
Abstraction and Reasoning Corpus · Online · 850,000 Usd
OPEN
PLENTY OF TIMESHUTS IN 8 DAYS
Educational Codeforces Round 196 (Rated for Div. 2)
Codeforces · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 9 DAYS
ICPC 2026 Online Challenge 2 powered by Huawei
Codeforces · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 10 DAYS
SilverHill - Attack/Defense CTF Competition
IIIT DELHI · Offline · South Delhi · ₹10K
OPEN
PLENTY OF TIMESHUTS IN 11 DAYS
AtCoder Beginner Contest 483
AtCoder · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 11 DAYS
Biweekly Contest 195
LeetCode · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 11 DAYS
Codeforces Round (Div. 1)
Codeforces · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 12 DAYS
AtCoder Grand Contest 079
AtCoder · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 14 DAYS
ARC Prize 2026 - Paper Track
Abstraction and Reasoning Corpus · Online · 450,000 Usd
OPEN
PLENTY OF TIMESHUTS IN 18 DAYS
AtCoder Beginner Contest 484
AtCoder · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 19 DAYS
Codeforces Round (Div. 2)
Codeforces · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 25 DAYS
AtCoder Beginner Contest 485
AtCoder · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 26 DAYS
AtCoder Regular Contest++ 234
AtCoder · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 31 DAYS
Kotlin Heroes: Episode 15
Codeforces · Online · Rating and ranks
OPEN
PLENTY OF TIMESHUTS IN 37 DAYS
Google - The Gemma 4 Developer Agent Competition
Google DeepMind · Online · 75,000 Usd
OPEN
PLENTY OF TIMESHUTS IN 49 DAYS
Enveda CASMI 2026 - Molecule ID From Mass Spectra
Enveda · Online · 50,000 Usd
OPEN
PLENTY OF TIMESHUTS IN 64 DAYS
Model Manager
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 64 DAYS
AI Automation Engineer
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 64 DAYS
Forward Deployed Engineer
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 64 DAYS
Vector Database
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 64 DAYS
Natural Language Processing
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 65 DAYS
CyberShield Challenge
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 65 DAYS
BlockQuest - BlockChain Challenge
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 65 DAYS
LLM Engineer
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 65 DAYS
Machine Learning
TechGig · Online · Free
OPEN
PLENTY OF TIMESHUTS IN 72 DAYS
NFL Big Data Bowl 2027
The National Football League · Online · 100,000 Usd
OPEN
PLENTY OF TIMESHUTS IN 74 DAYS
The Pokémon Company - PTCG AI Battle Challenge Playground
The Pokémon Company - PTCGABC Team · Online · Swag
OPEN
PLENTY OF TIMESHUTS IN 80 DAYS
Name That LLM
Kaggle · Online · 50,000 Usd
OPEN
PLENTY OF TIMESHUTS IN 84 DAYS
YeNo × Builderr Volume Bot Challenge
Builderr · Online · $500
OPEN
PLENTY OF TIMESHUTS IN 86 DAYS
Google Quantum AI - Verifiable Quantum Circuit Compilation
Google Quantum AI · Online · 150,000 Usd
OPEN
PLENTY OF TIMESHUTS IN 265 DAYS
Squares in Squares
Kaggle · Online · 50,000 Usd
OPEN
PLENTY OF TIMESHUTS IN 1162 DAYS
Connect X
Kaggle · Online · Knowledge
OPEN
PLENTY OF TIMESHUTS IN 1162 DAYS
Spaceship Titanic
Kaggle · Online · Knowledge
OPEN
PLENTY OF TIMESHUTS IN 1162 DAYS
Natural Language Processing with Disaster Tweets
Kaggle · Online · Knowledge
OPEN
PLENTY OF TIMESHUTS IN 1163 DAYS
Housing Prices Competition for Kaggle Learn Users
Kaggle · Online · Knowledge
OPEN
PLENTY OF TIMESHUTS IN 1316 DAYS
Petals to the Metal - Flower Classification on TPU
Kaggle · Online · Knowledge
OPEN
PLENTY OF TIMESHUTS IN 1343 DAYS
Store Sales - Time Series Forecasting
Kaggle · Online · Knowledge
OPEN
PLENTY OF TIMESHUTS IN 1344 DAYS
Contradictory, My Dear Watson
Kaggle · Online · Knowledge
OPEN
PLENTY OF TIMESHUTS IN 1344 DAYS
LLM Classification Finetuning
Kaggle · Online · Knowledge
OPEN
PLENTY OF TIMESHUTS IN 1525 DAYS
AI Data Engineer
TechGig · Online · Free
OPEN

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Happening in a city near you

Delhi NCR1

Free coding contests with no entry fee

Starters 262

RIFT CTF - 2026

HACK TO THE FUTURE 2027 (AtCoder Heuristic Contest 074)

AtCoder Beginner Contest 482

Codeforces Round 1131 (Div. 3)

Predicting Airline Satisfaction

Weekly Contest 526

GoDaddy Inclusive Innovation Hackathon 2026

ARC Prize 2026 - ARC-AGI-3

Educational Codeforces Round 196 (Rated for Div. 2)

ICPC 2026 Online Challenge 2 powered by Huawei

SilverHill - Attack/Defense CTF Competition

AtCoder Beginner Contest 483

Biweekly Contest 195

Codeforces Round (Div. 1)

AtCoder Grand Contest 079

ARC Prize 2026 - Paper Track

AtCoder Beginner Contest 484

Codeforces Round (Div. 2)

AtCoder Beginner Contest 485

AtCoder Regular Contest++ 234

Kotlin Heroes: Episode 15

Google - The Gemma 4 Developer Agent Competition

Enveda CASMI 2026 - Molecule ID From Mass Spectra

Model Manager

AI Automation Engineer

Forward Deployed Engineer

Vector Database

Natural Language Processing

CyberShield Challenge

BlockQuest - BlockChain Challenge

LLM Engineer

Machine Learning

NFL Big Data Bowl 2027

The Pokémon Company - PTCG AI Battle Challenge Playground

Name That LLM

YeNo × Builderr Volume Bot Challenge

Google Quantum AI - Verifiable Quantum Circuit Compilation

Squares in Squares

Connect X

Spaceship Titanic

Natural Language Processing with Disaster Tweets

Housing Prices Competition for Kaggle Learn Users

Petals to the Metal - Flower Classification on TPU

Store Sales - Time Series Forecasting

Contradictory, My Dear Watson

LLM Classification Finetuning

AI Data Engineer

Get the deadlines in your calendar and stop checking.

Narrow this down

Happening in a city near you

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