Overview
Claude is an AI assistant built by Anthropic, designed for natural-language reasoning, coding, and long-document analysis. It comes in a chat app, a developer API, and agentic coding tools, with model tiers (Opus, Sonnet, Haiku) trading off capability against speed and cost. Builders reach for it when they want strong reasoning, large context windows, and a safety-focused approach.
Strong reasoning
Top-tier performance on reasoning and coding tasks.
Long context
Handles very large documents and codebases in one pass.
Safety-focused
Built around Anthropic's Constitutional AI approach.
Pros
Cons
Key features
Pricing
Free
$0
Session-based limits
Pro
~$20/mo
Higher usage for individuals
Max
$100–$200/mo
Highest usage and agentic tools
Best for
Coding help
Write, debug and refactor code from the chat or CLI.
Document analysis
Summarize and reason over long documents.
Content drafting
Draft and edit long-form writing.
Alternatives to Claude
View all →Frequently asked questions
Is Claude free to use?
Yes, there is a free plan with session-based usage limits. Paid Pro and Max plans and the API unlock higher usage.
Who makes Claude?
Claude is built by Anthropic, an AI safety company founded in 2021 and headquartered in San Francisco.
What can Claude do?
It handles natural-language reasoning, coding, long-document analysis, and content generation across a chat app, API and agentic tools.
How is Claude priced?
There is a free tier, a Pro plan around $20/month, a Max plan at $100–$200/month, and a pay-per-token API.
How does Claude compare to ChatGPT?
Both are leading AI assistants; Claude is often favored for long-context work, coding, and its safety-focused design, while preferences vary by task.
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