Claude
The Thoughtful AI by Anthropic
Claude by Anthropic is widely regarded as the most nuanced and safety-conscious AI assistant. It excels at long-form writing, complex reasoning, and nuanced analysis. With a 200K token context window and Constitutional AI training, Claude is the go-to tool for writers, analysts, and professionals who value depth and reliability.
What Claude Can Do
200K Token Context
Claude 3 supports up to 200,000 tokens of context — that's roughly 150,000 words or an entire novel in a single conversation.
Learn moreConstitutional AI Safety
Trained with Constitutional AI principles to be helpful, harmless, and honest. Claude declines harmful requests with thoughtful explanations.
Learn moreSuperior Writing Quality
Claude consistently produces the most natural, nuanced, and well-structured long-form text of any AI assistant.
Learn moreDeep Reasoning
Claude 3.5 Sonnet excels at multi-step reasoning tasks, from legal analysis to philosophical debate to scientific problems.
Learn moreDocument Processing
Upload PDFs, text files, and images. Claude reads and analyzes even the longest documents with remarkable accuracy.
Learn moreCreative & Artifacts
Claude's Artifacts feature lets you build interactive HTML apps, charts, and documents directly in the chat interface.
Learn moreReal Prompts to Try Right Now
Copy these prompts directly into Claude. Each one is crafted to demonstrate a specific capability.
Write a 1,500-word in-depth analysis of the ethical implications of AI in hiring processes. Structure it with an introduction, 3 main arguments with counterarguments, and a nuanced conclusion. Academic tone.
A well-structured, nuanced essay with sophisticated argumentation — Claude's writing quality consistently surpasses other AI tools for long-form analytical content.
I'm uploading a 50-page legal contract. Identify: 1) Key obligations of each party, 2) Penalty clauses, 3) Termination conditions, 4) Any unusual or potentially problematic clauses.
A structured legal summary with exact clause references, flagged risks highlighted, and plain-language explanations of complex legal language.
Create an interactive HTML/CSS/JS dashboard artifact that visualizes this JSON sales data as charts. Include a bar chart for monthly revenue, a pie chart for product mix, and a data table.
A fully functional, interactive HTML dashboard appears live in the Artifacts panel — exportable and embeddable with no external tools.
Review this entire Node.js API codebase I'm pasting. Identify: security vulnerabilities, missing error handling, performance bottlenecks, and places not following REST best practices. Output as a prioritized action list.
A comprehensive, prioritized code review report covering security, performance, and best practices — handling the full codebase thanks to Claude's 200K context window.
Write the opening chapter of a psychological thriller set in a near-future Tokyo. The protagonist is a forensic AI auditor. First-person perspective. Dark, atmospheric tone. Show don't tell. 800 words.
Compelling, atmospheric prose with strong character voice and sensory detail — Claude's creative writing has a literary quality rare in AI outputs.
Analyze the pros and cons of building vs. buying a CRM system for a 50-person B2B SaaS company. Consider: cost, time, customization, maintenance, and team capacity. Recommend a decision with justification.
A structured analysis framework with weighted considerations, real cost estimates, and a clear recommendation with supporting logic — clear enough to present to a board.
Who Uses It & How
Long-form Writing
Drafting research reports, white papers, technical documentation, and creative fiction.
DetailsLegal & Contract Analysis
Review contracts, summarize legal documents, and flag potential issues.
DetailsCode Review & Refactoring
Analyze entire codebases, suggest improvements, and write production-ready code.
DetailsComplex Problem Solving
Break down multi-faceted problems with structured reasoning and clear logic chains.
DetailsCustomer Interactions
Draft empathetic, nuanced customer service responses that handle sensitive situations well.
DetailsEducational Content
Create comprehensive lesson plans, quizzes, and explanations adapted to any audience.
DetailsWhich Version Should You Use?
Claude offers multiple model tiers. Here is what each one is best suited for.
Claude 3.5 Haiku
- Fastest Claude model
- Good for quick tasks
- Cost-efficient via API
Claude 3.5 Sonnet
- Best balance of speed + quality
- Excellent coding
- Superior writing quality
Claude 3 Opus
- Deepest reasoning ability
- Complex analysis tasks
- Most nuanced outputs
Claude 3.5 Sonnet (API)
- Enterprise integrations
- High-volume usage
- Custom system prompts
Master Claude
Use the Full Context Window
Paste entire documents, code files, or research papers directly into Claude. It can process hundreds of pages at once and maintain coherence throughout.
Leverage Artifacts
Ask Claude to create an 'artifact' for visual outputs like HTML pages, charts, or structured documents. It generates live-previewed interactive components.
Request Structured Analysis
Claude responds well to structured prompts. Ask for analysis in specific formats: 'Analyze this in three sections: Summary, Key Issues, Recommendations'.
Use for Sensitive Topics
Claude handles nuanced, sensitive, or ethically complex topics better than most AI tools. It gives balanced, thoughtful perspectives without over-refusing.
Your First 30 Minutes with Claude
Create Your Account
Visit claude.ai and sign up with email or Google. Free tier gives you access to Claude 3.5 Haiku with daily message limits. No credit card required.
The free tier is genuinely useful for most tasks — test it before committing to Pro.
Set Up a Project
Claude Pro users can create Projects — persistent workspaces where Claude remembers context across sessions. Create a project for each ongoing task (e.g., 'Marketing Writing', 'Code Review').
Add custom instructions to each Project. Example: 'You are my senior editor. Always improve clarity. Flag any jargon'.
Use the Artifacts Feature
Ask Claude to create an 'artifact' for any visual or structured output — HTML apps, code files, formatted documents, charts. They appear in a live preview panel.
Try: 'Create an artifact: a single-page HTML resume template with clean, modern design'.
Leverage the Full Context Window
Paste entire documents, codebases, or books directly into the conversation. Claude's 200K token window handles ~150,000 words — more than most novels.
For large documents, start with 'I'm sharing a large document. First, give me a 3-sentence summary, then I'll ask specific questions'.
Who Gets the Most from This Tool?
Writers & Authors
Produces the most natural, sophisticated long-form prose of any AI — genuinely hard to distinguish from a skilled human writer.
Example: Drafting chapters for a non-fiction book on technology and society
Legal & Finance Professionals
Handles 200K token documents and gives nuanced, balanced analysis without over-simplifying.
Example: Reviewing a complex acquisition agreement and flagging key risk clauses
Senior Developers
Can review and refactor entire codebases in a single conversation thanks to the massive context window.
Example: Refactoring a 10,000-line legacy codebase for modern patterns
Product Managers
Excels at structured thinking, PRDs, decision frameworks, and stakeholder-ready documents.
Example: Writing a complete Product Requirements Document from a one-line idea
The Honest Review
Strengths
- Best long-form writing quality
- Largest context window (200K tokens)
- Most nuanced reasoning
- Excellent at following complex instructions
- Safe and reliable responses
Weaknesses
- No native web search (base model)
- Can be overly cautious sometimes
- No image generation
- Free tier has strict limits
Plans & Cost
Free
per month
- Claude 3.5 Haiku
- Limited messages per day
- File uploads
- Artifacts feature
- Basic coding
Pro
per month
- Claude 3.5 Sonnet (full access)
- 5x more messages than free
- Priority access
- Claude 3 Opus access
- Higher rate limits
- Projects feature