Claude Opus 4 is the Hybrid reasoning model that pushes the frontier for coding and AI agents, featuring a 200K context window Claude Opus 4 is our most intelligent model to date, pushing the frontier in coding, agentic search, and creative writing. We’ve also made it possible to run Claude Code in the background, enabling developers to assign long-running coding tasks for Opus to handle independently. ## Availability and pricing For business users and consumers who want to collaborate with our most powerful model on complex tasks, Claude Opus 4 is available on Claude for Pro, Max, Team, and Enterprise users. For developers interested in building AI solutions that demand frontier intelligence, Claude Opus 4 is available on the Anthropic API, Amazon Bedrock, and Google Cloud's Vertex AI. Pricing for Claude Opus 4 starts at $15 per million input tokens and $75 per million output tokens, with up to 90% cost savings with prompt caching and 50% cost savings with batch processing. To learn more, check out our pricing page. ## Use cases Claude Opus 4 is our most intelligent model to date, pushing the frontier in coding, agentic search, and creative writing. With advanced reasoning and powerful collaboration capabilities, Claude Opus 4 transforms how teams approach complex engineering and business challenges. Claude Opus 4 offers hybrid reasoning that allows for instant responses or extended, step-by-step thinking visible through user-friendly summaries. API users have fine-grained control over thinking budgets for optimal cost and performance. Popular use cases include: ## AI agents Claude Opus 4 delivers state-of-the-art performance on complex agent applications, with strong results on TAU-bench and exceptional accuracy for long-horizon tasks. From autonomously managing multi-channel marketing campaigns to orchestrating cross-functional enterprise workflows, Claude Opus 4 powers sophisticated agent architectures that expand AI capabilities for your products and services. ## Advanced coding Claude Opus 4 is a leader on SWE-bench, completing days-long engineering tasks in coherent, context-aware solutions across thousands of steps. With improved code taste and 32K output token support, it adapts to specific coding styles while delivering exceptional quality for extensive generation and refactoring projects. ## Agentic search and research Claude Opus 4 can effectively search through external and internal data sources to synthesize comprehensive insights across complex information landscapes. With powerful performance on agentic search, it can conduct hours of independent research—simultaneously analyzing everything from patent databases to academic papers and market reports, delivering strategic insights for decision-making. ## Content creation With rich, deep character and excellent writing abilities, Claude Opus 4 produces human-quality content and more natural, prose-focused outputs. It outperforms previous Claude models on creative writing, in addition to exceptional visual taste. ## Benchmarks Claude Opus 4 delivers frontier intelligence across coding, agentic search, and AI agent capabilities. Claude Opus 4 achieves industry-leading results on SWE-bench for coding. It demonstrates strong performance on MMLU, GPQA, and Aider Polyglot. With exceptional writing abilities, Claude Opus 4 surpasses previous Claude models and new standards for natural, human-like prose.