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Alex Kim

Alex Kim is an AI tools reviewer and tech writer with over 5 years of experience evaluating SaaS and AI products. He specializes in hands-on comparisons of AI writing assistants, coding tools, and productivity software — testing each tool through real-world workflows before publishing any recommendation. His mission at AI Tools Hub is to help readers cut through the hype and find AI tools that actually deliver results.

How to Automate Your Social Media with AI: A Complete Workflow

April 10, 2026March 13, 2026 by Alex Kim

Learn how to automate social media with AI tools step by step. This complete workflow covers content ideation, creation, scheduling, posting, analytics, and repurposing to save 10+ hours per week.

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Perplexity AI vs Google Search vs ChatGPT: Which Is Best for Research in 2026?

April 10, 2026March 12, 2026 by Alex Kim

Perplexity AI vs Google vs ChatGPT for research in 2026: compare accuracy, citations, speed, and hallucination rates to find your best research tool.

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How to Build a Custom GPT: Complete Tutorial for Beginners

April 10, 2026March 11, 2026 by Alex Kim

Learn how to build a custom GPT step by step. This beginner tutorial covers instructions, knowledge files, actions, and tips to create AI assistants.

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10 Best ChatGPT Alternatives You Should Try in 2026

April 10, 2026March 11, 2026 by Alex Kim

Discover the 10 best ChatGPT alternatives in 2026, including Claude, Gemini, Perplexity, DeepSeek, and more. Compare features, pricing, and find the right AI tool for your needs.

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How to Use Google NotebookLM for Research: The Free AI Tool You’re Missing

April 10, 2026March 10, 2026 by Alex Kim

Learn how to use Google NotebookLM for research with this step-by-step tutorial. Upload sources, ask AI questions, and generate audio overviews for free.

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HeyGen vs Synthesia vs D-ID: Best AI Video Generator for Business

April 10, 2026March 9, 2026 by Alex Kim

HeyGen vs Synthesia vs D-ID compared: avatar quality, pricing, multilingual support, and 4K. Find the best AI video generator for your business.

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How to Connect AI Agents with MCP (Model Context Protocol): A Practical Guide

April 10, 2026March 6, 2026 by Alex Kim

Learn how to connect AI agents with MCP (Model Context Protocol) in this step-by-step tutorial. Set up MCP servers, configure clients, and build powerful AI tool integrations.

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DeepL vs Google Translate vs ChatGPT: Best AI Translation Tool in 2026

April 10, 2026March 5, 2026 by Alex Kim

DeepL vs Google Translate vs ChatGPT — we compare accuracy, pricing, tone control, and API features to find the best AI translation tool in 2026.

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Windsurf vs Cursor vs VS Code Copilot: The AI IDE Showdown

April 10, 2026March 3, 2026 by Alex Kim

Windsurf vs Cursor vs VS Code Copilot compared across AI code quality, pricing, features, and extensions. Find the best AI IDE for your workflow in 2026.

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How to Use Perplexity AI for Research: Better Than Google?

April 10, 2026March 2, 2026 by Alex Kim

Learn how to use Perplexity AI for research with this complete 2026 guide. Discover focus modes, Deep Research, Spaces, citations, and see how it compares to Google and ChatGPT for academic research, fact-checking, and more.

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