OpenAI's flagship conversational AI for writing, reasoning, and analysis.
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.
Anthropic's AI assistant — nuanced writing, long context, and top-ranked coding.
Google's multimodal AI integrated with Workspace and real-time search.
Alibaba's open-source Qwen models in a free chat interface.
Microsoft's AI assistant baked into Windows, Edge, and Microsoft 365.
xAI's witty assistant with real-time access to X.
Mistral's fast, French-built chat with code interpreter and web search.
Open-weight reasoning models from China with free chat access.
Moonshot AI's assistant, powered by the 2.8T open-weight Kimi K3 model.