Pi is a free personal AI companion by Inflection designed for empathetic, ongoing conversations, advice, brainstorming, and support with unlimited usage for users around the world.

Poe is a popular free platform that gives access to multiple leading AI models like GPT-4o, Claude 3.5, Gemini, Llama, and thousands of custom bots with generous daily quotas for worldwide users.

QuillBot is a free multifunctional AI writing assistant offering paraphrasing, summarizing, grammar checking, citation generation, and translation with high daily limits for global users.

ChatPDF is a free AI tool that lets users upload PDFs to ask questions, get summaries, extract information, and gain insights from documents quickly and securely worldwide.

Microsoft Designer is a free AI-powered graphic design app that generates images, social media posts, invitations, and visuals from text descriptions with professional templates globally.

DeepSeek Chat provides free access to advanced open models like DeepSeek-V3 and Coder for superior reasoning, mathematics, coding, and long-context conversations globally.