chatGPT:
https://www.chatgpt.com
Copilot:
https://www.microsoft365.com/chat/
Gemini:
https://gemini.google.com/app/
LeChat:
https://chat.mistral.ai/chat/
Perplexity:
https://www.perplexity.ai/search/
Claude:
https://claude.ai/chat/
Llama-3:
https://console.groq.com/