Grok 4.20 Beta COMPLETE Guide (4-Agent System Explained) | All Modes + Pro Tips & Tricks

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Grok 4.20 Beta just launched — and most people are using it completely wrong.

In this complete Grok 4.20 Beta guide, I break down every single mode (Auto, Fast, Expert, 4.20 Beta, and Heavy) and explain exactly when to use each one. If you’ve been guessing which mode to pick, this tutorial will fix that.

The new 4-Agent System inside Grok 4.20 Beta deploys four specialized AI agents working together on a single prompt — dramatically improving reasoning, research accuracy, coding, and creative output. But without the right prompting strategies, you won’t unlock its full power.

This video covers:
✔ Full Grok 4.20 Beta walkthrough
✔ Auto vs Fast vs Expert vs Heavy comparison
✔ How the 4-Agent System actually works
✔ Best prompting strategies for better results
✔ Custom Instructions setup tutorial
✔ When to switch modes mid-conversation
✔ Pro tips most users don’t know
✔ Real-world use cases for developers, business users & creators

If you’re serious about getting better results from Grok, this is the only guide you need.

⏱ TIMESTAMPS
00:00 – Intro
01:19 – Overview Of The Interface
02:33 – Deep Dive Into Each Mode
02:33 – Auto Mode: The Smart Default
03:42 – Fast Mode: Speed Over Everything
04:45 – Expert Mode: When You Need Real Thinking
05:49 – Grok 4.20 Beta: The Four-Agent System Explained
08:42 – Heavy Mode: The Nuclear Option
09:44 – Using Custom Instructions (Hidden Power Feature)
11:55 – Pro Tips & Tricks To Maximize Grok 4.20

👇 Drop your country in the comments — has Grok 4.20 Beta rolled out in your region yet?

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