How to Use AI for Free — ChatGPT, Claude, Gemini & More
AI is free to use — and the models available today are remarkably powerful. ChatGPT's GPT-4o, Claude's Sonnet 4.6, Gemini's 2.5 Flash, DeepSeek's R1. Plus free image generation, coding assistants, and local AI with zero limits. This guide organizes the best free AI tools by purpose and shows you how to combine them effectively.