Best free AI chatbots

Every major AI assistant has a free tier, and for most people it's all they need. ChatGPT, Gemini, Claude and Copilot all offer capable free plans; DeepSeek, Qwen and Kimi go further with free access to strong open-weight models. We rank them on how much you get before hitting a paywall, message limits, model access, and features like voice and file upload.