ChatGPT

chatgpt.com

OpenAI's assistant for chat, files, images and agents

Alternatives to ChatGPT

chat.z.ai

Chat with Zhipu's open GLM models for free

lumo.proton.me

Proton's privacy-first assistant with no-logs chats

claude.ai

Anthropic's assistant for writing, analysis, coding and long documents

gemini.google.com

Google's assistant, connected to Search, Gmail and Docs

copilot.microsoft.com

Microsoft's everyday assistant across Windows and Edge

meta.ai

Assistant built into WhatsApp, Instagram and Messenger