Claude

Claude

Freemium

Anthropic's safe and thoughtful AI assistant for long-form writing, analysis, and complex reasoning.

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What is Claude?

Claude is Anthropic's conversational AI assistant built with a focus on safety, honesty, and helpfulness. Powered by the Claude 4 model family including Claude Opus 4 and Claude Sonnet 4, it excels at nuanced writing, in-depth research, coding assistance, and long-document analysis with its 200K context window. Claude is particularly known for producing thoughtful, well-reasoned responses with minimal hallucinations, making it a top choice for legal, medical, and research professionals. Available via web, mobile, API, and Claude Code for developers.

Key Features

200K Context WindowClaude Opus 4 and Sonnet 4Projects and MemoryArtifacts CreationCode GenerationDocument AnalysisAPI Access

How to Use Claude

1Visit claude.ai and create a free account
2Start a new conversation or create a Project
3Paste documents or type your prompt
4Review Claude's detailed, cited response
5Iterate with follow-up questions or edits

✅ Best For

  • Legal and research professionals
  • Writers and journalists
  • Developers using Claude Code
  • Businesses needing long-context document processing

❌ Not For

  • Real-time internet search (free tier)
  • Image generation
  • Live audio or video tasks

Reviews

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Pricing

Free$0
  • ✓Limited messages
  • ✓Claude Sonnet 4 access
Pro$20/mo
  • ✓5x more usage
  • ✓priority access
  • ✓Projects
Team$25/user/mo
  • ✓Collaboration
  • ✓admin controls
Max$100-200/mo
  • ✓Highest usage limits
EnterpriseCustom
  • ✓SSO
  • ✓audit logs
  • ✓custom deployment

Prompts to Try

Review this 80-page contract and flag any unusual clauses

Write a detailed blog post about the future of AI in healthcare

Refactor this Python codebase to use async functions

Summarize this academic research paper and explain its implications

Use Cases

A lawyer pastes a 40-page contract into Claude and asks it to flag any unusual clauses or missing protections before sending it to a client
A researcher uploads three academic papers and asks Claude to compare their methodologies and identify gaps in the literature
A developer uses Claude to refactor a messy legacy codebase into clean, well-commented functions before handing it to a new team member
A content strategist asks Claude to write a detailed 2,000-word thought leadership article in their brand voice after sharing five example pieces
A startup founder uses Claude to stress-test their pitch deck by asking it to play the role of a skeptical VC and raise tough objections

Frequently Asked Questions