chat AI tools

Pi

Free

A friendly personal AI from Inflection designed for supportive, conversational chats.

Ada

Paid

An AI customer service agent that resolves support conversations across chat, email and voice.

Google Gemini

Freemium

Google's AI assistant for writing, brainstorming and research, integrated across Google apps.

Sider

Freemium

An AI sidebar for Chrome and Edge that chats, summarizes and translates on any page.

Julius AI

Freemium

An AI data analyst: upload a spreadsheet and ask questions to get charts and insights.

AskYourPDF

Freemium

Ask questions about PDFs and other documents, and get cited, summarized answers.

PDF.ai

Freemium

Chat with any PDF and get quick answers, summaries and cited passages.

ChatPDF

Freemium

Upload a PDF and ask it questions, with answers that cite the page they came from.