Business Plan Builder is a General Purpose Technology (GPT) designed to facilitate the creation of business plans. This GPT serves as a guide to the assembled constituents of a viable business plan, providing assistance on diverse subjects. The tools proficiency ranges from initiating a business plan to helping define a business's unique value proposition. It also aids with key factors such as market analysis, financial projections, marketing and sales strategies, goal-setting, objective formation, and bringing awareness to potential legal considerations.The GPT offers guidance through prompt starters, making it a user-friendly tool. The prompts cover a broad spectrum of business plan components providing an inclusive structure for users regardless of their business expertise level. The prompt starters include but are not limited to 'How do I start my business plan?', 'Can you help with market analysis?', and 'What strategies should I consider for marketing and sales?'. Business Plan Builder's primary intention is to streamline the process of drafting a comprehensive business plan by integrating critical aspects into an accessible format. This GPT is a powerful utility for those who require assistance in envisioning, strategizing, and structuring their business premise under a single, cohesive plan. Please note that using the Business Plan Builder requires a ChatGPT Plus subscription.