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LeetCode Prep Insights

Practical guides, tips, and stories on coding interviews and smarter LeetCode practice with AI.

215 articles

15 Best AI Tools for Coding Interviews in 2026 (Free & Paid)

From mock interview platforms to behavioral coaches and system design simulators, here's every AI tool you need to ace your coding interviews in 2025.

AI ToolsCoding InterviewsMock InterviewsSystem DesignBehavioralInterview Prep

Alex Wang

16 min

12/20/2025

Best AI Tools for LeetCode in 2026: Full Comparison (Tested)

Chrome extensions, chatbots, and mock interview tools—compared by features, pricing, and when to use each. Here's my honest breakdown.

AI ToolsLeetCodeChrome ExtensionsChatGPTInterview PrepProductivity

Alex Wang

14 min

12/19/2025

Alternatives to LeetCode Wizard: Ethical Tools for Interview Preparation

Looking for alternatives to LeetCode Wizard? Here are ethical preparation tools that build real skills—from AI-assisted learning to mock interview platforms—without the risks of live interview assistance.

Interview PrepAlternativesAI ToolsResourcesCareer Advice

Alex Wang

13 min

12/19/2025

Leetcode Wizard Explained: How It Works, Why It's Controversial, and Safer Alternatives

LeetCode Wizard is an AI tool that claims to provide 'invisible' real-time solutions during coding interviews. Here's what it does, why it's risky, how companies detect it, and the ethical alternatives that build real skills.

Interview PrepEthicsAI ToolsCareer AdviceLeetCode Wizard

Alex Wang

13 min

12/19/2025

AlgoExpert vs Educative: Which Platform Is Better for 2026?

AlgoExpert offers curated video explanations for coding interviews. Educative provides interactive text-based courses and the famous Grokking System Design. Here's how to choose between them.

AlgoExpertEducativeComparisonInterview PrepSystem Design

Alex Wang

14 min

12/18/2025

Pramp vs Interviewing.io: Which Mock Interview Platform Is Worth It?

Pramp is free and peer-to-peer. Interviewing.io is expensive and expert-led. This deep dive compares their algorithms, system design, and behavioral tracks to help you choose the right tool for 2025.

PrampInterviewing.ioComparisonMock InterviewsSystem DesignBehavioral

Alex Wang

14 min

12/18/2025

LeetCode vs HackerRank: Which Is Better for Interview Prep in 2026?

LeetCode is the gold standard for FAANG prep, while HackerRank is the gatekeeper for Online Assessments. This deep dive covers their differences, the 'input parsing trap', and the optimal strategy to master both.

LeetCodeHackerRankComparisonInterview PrepSoftware EngineeringSQL

Alex Wang

15 min

12/18/2025

Alternatives to Interview Coder: Ethical Tools for Interview Preparation

Looking for alternatives to Interview Coder? Here are ethical preparation tools that build real skills—from AI-assisted learning to mock interview platforms—without the risks of live interview assistance.

Interview PrepAlternativesAI ToolsResourcesCareer Advice

Alex Wang

12 min

12/17/2025

Interview Coder: Controversy, Detection Risks, and Ethical Alternatives

Interview Coder and similar AI interview tools have sparked debate in the tech community. Here's what they are, the risks involved, how companies respond, and the ethical alternatives that build real skills.

Interview PrepEthicsAI ToolsCareer AdviceIndustry Analysis

Alex Wang

12 min

12/17/2025

LeetCode vs NeetCode: Which Platform Should You Use in 2026?

LeetCode has 3,000+ problems and company tags. NeetCode has curated roadmaps and free video explanations. Here's which platform is right for your interview prep in 2025.

LeetCodeNeetCodeComparisonInterview PrepResources

Alex Wang

12 min

12/17/2025