Grok-4 & Grok-4 Heavy + Free APIs + Roo, Cline,Kilo: RIP Sonnet? Is this THE AGI-Coder?

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In this video, I'll be telling you about XAI's new Grok 4 and Grok 4 Heavy launch, their capabilities, benchmarks, and how you can use them for AI coding with detailed setup instructions.

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Key Takeaways:

🚀 XAI launched Grok 4 with 10x training compute and improved tool calling capabilities for AI coding.

🤖 Grok 4 Heavy is a multi-agentic system of multiple Grok 4s working together, not a single model.

📊 It scores State of the Art on various benchmarks, but comparisons may be unfair due to web search and tool access.

👁️ New vision capabilities and voice features have been added, including whisper and singing functions.

🔧 Available on API with 256k context window and can be integrated into VS Code with RooCode/Cline.

💰 Free credits available through XAI API and KiloCode for testing without payment hassles.

⚡ Performance is good but still behind Sonnet and Gemini for actual coding tasks.

🎯 Grok 4 code model coming next month, plus multi-modal and video generation models in development.

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Timestamps:

00:00 - Introduction

00:07 - Grok 4 vs Grok 4 Heavy Explained

04:03 - Surfshark (Sponsor)

05:20 - Grok 4 with AI Coders

08:32 - Ending