FULLFACT Inc. has released a practical guide (white paper) titled 'A Framework for Choosing Among 4 AI Tools'—available free of charge. This guide provides clear direction on the criteria for selecting and switching between ChatGPT, Microsoft Copilot, Claude, and Gemini. Background: Stuck on 'Which one to use?' and unable to move forward 'ChatGPT or Copilot?' This debate halts progress in many companies. Decisions such as 'Let's just use ChatGPT' or 'Everyone in the company gets Copilot' often don't align with actual business needs. What matters is not choosing by product name, but by the nature of the work, organizational structure, existing tools, and data requirements. What you'll learn from this guide The three structural reasons why discussions stall at 'ChatGPT or Copilot?' Current status of the four tools (ChatGPT, Copilot, Claude, Gemini) Five common pitfalls in the selection process A four-axis selection framework based on work nature, organization, existing tech stack, and data requirements Initial tool selection and switching conditions by use case Governance design when using multiple tools in parallel Key observation points for evaluation during early adoption How to access the guide Download the guide for free via the link below. https://fullfact.net/whitepapers/ai-tool-comparison-chatgpt-copilot-claude [For 10 companies only] Free advisory program for 3 months FULLFACT is offering a free 3-month advisory program, limited to 10 companies. Practitioners with expertise in search (SEO) and AI search (LLMO) will be available via chat for brainstorming anytime, and provide one monthly online consultation (approx. 60 minutes), directly supporting your customer acquisition strategy. This is the same level of support normally offered as paid consulting—but available completely free for 3 months. ※ The advisory service is entirely free. If, during consultations, you feel certain actions are difficult to execute internally, we may propose execution support servi