
Claude 4.5 Opus
AnthropicClaude 4.1 Opus: the smartest choice for long multi‑step tasks like coding, research or agent workflows—stays sharp for hours, reasons deeply, delivers coherent results.
Built by Anthropic, focused on AI safety
What Claude 4.5 Opus Can Do
Natural Conversations
Engage in fluid, human-like conversations on any topic
Code Generation
Write, debug, and explain code in any programming language
Document Analysis
Analyze, summarize, and extract insights from documents
Creative Writing
Generate articles, stories, marketing copy, and more
Problem Solving
Break down complex problems and find solutions
Multilingual
Communicate and translate across many languages
Frequently Asked Questions
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