Insights & Guides
Deep dives into system design, distributed systems, and software engineering best practices.
Grokking the Object-Oriented Design Interview: What It Covers and Is It Worth It?
What Grokking the Object-Oriented Design Interview teaches, the 16 design problems it works through, who it is for, and whether the OOD (LLD) course is worth it.
Grokking's Pattern Courses, Untangled: Coding vs System Design vs Microservices Patterns
Three Grokking courses have 'patterns' in the name and they teach completely different things. What Grokking the Coding Interview, System Design Patterns, and Grokking Microservices Design Patterns each cover, and which one you actually need.
System Design Patterns: What the New Course Covers and Who It's For
A tour of the new System Design Patterns course from Design Gurus: 62 patterns across 10 chapters, capstone designs, an AI infrastructure chapter, and who the course actually fits, from its creator.
What's New in Grokking System Design in 2026
Everything that changed in Grokking System Design in 2026: the rebuilt video-first course with 83 lessons and 400 quizzes, Volume II, AI study features, and the expanded trade-offs module.
Advanced System Design Interview, Volume II (Grokking Vol. II): What It Covers and Who It's For
Grokking the Advanced System Design Interview is now Advanced System Design Interview, Volume II: 142 lessons, 400 quizzes, and deep dives into Dynamo, Kafka, and Cassandra. What the renamed course covers, and who should take it.
Every Grokking Course, Explained: The 2026 Catalog Guide
The complete, current map of the Design Gurus Grokking catalog: the system design track, the new patterns course, the specialists, the coding and OOD tracks, the 2026 renames, and which course fits which goal.
Grokking Modern System Design Interview (Educative) vs. the Original Grokking Course: Which Is Official?
Educative's Grokking Modern System Design Interview and DesignGurus' Grokking the System Design Interview share a name but are different products. Here is the history, what each contains, and which one is the original.
Is There a Free Version of Grokking the System Design Interview? (GitHub Repos and PDFs, Honestly)
An honest answer from the course's creator about the free copies of Grokking the System Design Interview floating around GitHub and PDF sites: what they contain, what they're missing, and what the official free options actually include.
Can ChatGPT (or Grok) Prepare You for a System Design Interview?
An honest look at using ChatGPT, Grok, Claude, or Gemini for system design interview prep: what AI chat is genuinely good at, where it quietly fails you, and how to combine it with a structured curriculum.
Grokking the System Design Interview vs Alex Xu's System Design Interview Books: An Honest Comparison
Two of the most recommended resources for system design interview prep. Both have earned their reputation. Here is an honest, side-by-side look at where each one is strongest, where they overlap, and how to actually decide between them.
Grokking the System Design Interview vs Designing Data-Intensive Applications: Which to Read First in 2026
A practical answer to the question many engineers ask before starting their system design preparation: should I read Grokking the System Design Interview or Martin Kleppmann's Designing Data-Intensive Applications, and in what order?
Grokking the System Design Interview vs ByteByteGo: Which Fits Which Engineer
An honest comparison of Grokking the System Design Interview and ByteByteGo: what each platform actually is, where each one genuinely wins, pricing models, and which engineers are best served by which.
The 12 System Design Patterns That Decide Most Interviews
Out of 60+ system design patterns, a dozen decide most interviews. What each one is, the exact probing question it answers, and the mistake that costs candidates, from the creator of Grokking the System Design Interview.
Grokking the System Design Interview vs Hello Interview: Which Fits Which Engineer
A practical breakdown of which engineers are best served by Grokking the System Design Interview versus Hello Interview. Not a feature war. Both are legitimate resources. The right answer depends on what you're trying to accomplish.
System Design vs Object-Oriented Design Interviews: HLD, LLD, and Which Prep You Need
System design (HLD) and object-oriented design (LLD) are different interview rounds testing different skills. What each round looks like, how to tell which one your loop has, and where Grokking the Object Oriented Design Interview fits.
How Long Does It Take to Finish Grokking the System Design Interview?
A practical breakdown with two study plans (2-week intensive and 6-week thorough). Based on real completion patterns across 440,000+ learners.
Grokking the System Design Interview Review: Is It Worth It in 2026?
An honest review of Grokking the System Design Interview, written by the person who built it, plus a five-question framework to decide whether it's worth it for your specific situation.
Unlocking FAANG Success: The Transformative Power of Mock Interviews
Mock interviews are crucial for FAANG readiness. Learn how expert feedback, realistic practice, and structured guidance can transform your interview skills and boost your confidence for top tech roles.
Grokking Software Architecture: Which Design Gurus Course Actually Covers It
There is no course literally called Grokking Software Architecture. Here is an honest map of which Design Gurus courses teach software architecture, and how to pick the right one by what you actually need.
System Design Fundamentals vs Grokking the System Design Interview: Which Should You Take First?
System Design Fundamentals (formerly Grokking System Design Fundamentals) or the main interview course: what each one does, how much they overlap, a 30-second self-test, and the right order for your situation.
Do You Need System Design Patterns AND Grokking the System Design Interview?
System Design Patterns or Grokking the System Design Interview: what each course does, how much they overlap, which to take first for your situation, and when you genuinely need both.
The 60+ System Design Patterns, Organized: A One-Page Reference
A one-page cheat sheet of the 62 system design patterns behind scalable systems, organized into 10 categories: communication, data, caching, resilience, scaling, coordination, edge, operations, data processing, and AI infrastructure.