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Claude is an AI assistant built by Anthropic, known for long-context capabilities (up to 200K tokens) and careful, nuanced reasoning. Available as Claude 3.5 Sonnet, Claude 3 Opus, and Claude 3 Haiku.

• 200K token context window for analyzing long documents
• Strong reasoning and coding abilities
• Constitutional AI approach for safer outputs
• Available via API, web app, and IDE integrations

Popular for code review, document analysis, legal and financial text processing, and complex multi-step reasoning tasks. Used by enterprises for internal knowledge assistants.

Free tier (Claude 3.5 Sonnet with limits). Claude Pro at $20/month. API pricing per token (Sonnet cheapest, Opus most capable).

Visit Claude official website →