What is Claude?
Claude AI is an advanced artificial intelligence assistant developed by Anthropic. It is designed to understand and generate human-like text, answer questions, assist with writing, analyze documents, and help with coding tasks. Claude focuses on safety, reliability, and helpful interactions, making it useful for students, professionals, developers, and businesses.
Getting started with Claude
Five simple steps to get the most out of every conversation.
- 1
Start a chat or a Project
Open Claude.ai and either jump into a normal chat or create a Project to keep related files and context together.
- 2
Attach your documents
Drop in PDFs, codebases, or spreadsheets, Claude's 1-million-token window can hold entire books or repos at once.
- 3
Ask your question
Describe what you need in plain language; Claude adapts how much it "thinks" based on how hard the question is.
- 4
Use Artifacts for output
For code, documents, or diagrams, Claude can open a separate Artifacts panel you can edit and preview live.
- 5
Iterate together
Give feedback, ask it to revise, or coordinate sub-agents for large multi-step tasks like a codebase migration.
Why choose Claude?
1M-token context window
Process entire codebases, legal documents, or book-length content in a single prompt.
Adaptive reasoning
Evaluates how complex a problem is and decides how much to reason before answering.
Persistent memory
Remembers your name, communication style, and ongoing project context across conversations.
Natural writing style
Consistently rated among the most nuanced, human-sounding writers of the frontier models.
Compare Claude with other models
See how Claude stacks up against every other model we support.
Frequently asked questions
Ready to try Claude?
No credit card, no account, start a thoughtful conversation with Claude right away.
Open Chat with Claude