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features
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support

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Description

Enhance your existing knowledge or start anew with our concise, fast-paced courses on the 20 most crucial subjects, including data structures, algorithms, and dynamic programming. These courses are designed to accelerate your learning and even help you earn certifications through brief, focused lessons. With expert-developed video explanations, you'll grasp concepts and solutions more quickly, allowing you to build a solid foundation of confidence in your reasoning skills. Our content is tailored to reflect the recurring patterns seen in technical interviews, ensuring that you encounter many of the same questions during your preparation. By engaging with this material on our platform, you'll feel well-prepared for any tech interview you might face. Many candidates struggle not because they lack understanding, but due to poor implementation abilities; that's why we emphasize hands-on coding practice, enabling you to refine your skills and produce error-free code consistently. This structured approach not only enhances your problem-solving capabilities but also prepares you for real-world coding scenarios.

Description

Anyone can get an AI agent to turn tests green on a toy problem. kodwai measures the part that is harder to fake: how well you direct it. Developers pick a real engineering challenge (a CRDT text buffer, an event-sourced ledger, a zero-downtime migration), pull it down with npx @kodwai/cli@latest challenge <slug>, and solve it locally with Claude Code, Cursor or Codex. No browser sandbox. When they run npx @kodwai/cli@latest submit, kodwai reads the session (prompts, commits, test runs) and returns a 0 to 100 score across three axes: Direction (how you steer, verify and decompose), Outcome (what shipped, replayed and stress-tested) and Lift (how far you beat a solo AI). Each signal cites its evidence, and the score comes with a confidence interval instead of false precision. Developers get 3 free scored submissions, then connect their own Anthropic key for unlimited runs. Teams can use the hiring track to run private real-world interviews.

API Access

Has API No 

API Access

Has API No 

Screenshots View All

Screenshots View All

Integrations

Claude No 
Claude Code No 
Codex CLI No 
Cursor No 
Git No 
Node.js No 
OpenAI Codex No 

Integrations

Claude Yes 
Claude Code Yes 
Codex CLI Yes 
Cursor Yes 
Git Yes 
Node.js Yes 
OpenAI Codex Yes 

Pricing Details

No price information available.
Free Trial No 
Free Version No 

Pricing Details

Free
Free for developers: 3 scored submissions on kodwai's key, then connect your own Anthropic API key for unlimited submissions. The challenges, score, public profile and leaderboard are free. Hiring track for teams: contact us for pricing.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows Yes 
Mac Yes 
Linux Yes 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs No 
Webinars No 
Live Training (Online) No 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

InterviewBit

Country

India

Website

www.interviewbit.com

Vendor Details

Company Name

kodwai

Country

Istanbul, Turkey

Website

www.kodwai.com

Product Features

Coding Challenge

Kodwai is an innovative platform designed for hands-on coding challenges that emphasize agency in coding. The challenges presented are practical, bite-sized tasks—ranging from creating a bookshelf REST API to implementing a simplified version of the Raft consensus algorithm—and each task incorporates subtle pitfalls that a simple prompt might overlook. Participants tackle these challenges locally using their own AI coding agents, and the scoring system evaluates not only the success of the tests but also how effectively the user guided their agent. Scores are based on three criteria: Direction, Outcome, and Lift, with a scale from 0 to 100 and detailed evidence for each metric. The platform features a public leaderboard, a dynamic Direction rating that updates with each scored attempt, and weekly competitions to foster a sense of community.

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