What is Claude Opus 4.5?

Claude Opus 4.5 is Anthropic's most advanced AI model, purpose-built for demanding technical and analytical work. It delivers state-of-the-art performance in coding, agentic workflows, and computer use, while also excelling at everyday tasks like deep research and working with slides and spreadsheets. Available through the Claude API, apps, and all three major cloud platforms, Opus 4.5 is priced at $5/$25 per million tokens, making frontier-level intelligence more accessible than ever.

Who it's for

• Software engineers who need a model that can debug complex multi-system issues and write production-quality code with fewer tokens
• Enterprise teams running heavy-duty agentic workflows that demand reliable tool calling, planning, and long-running task execution
• Knowledge workers and researchers who regularly tackle deep research, slide decks, spreadsheets, and ambiguous problems that require nuanced reasoning

Key features

State-of-the-art coding performance

Claude Opus 4.5 achieves top scores on SWE-bench Verified, a rigorous test of real-world software engineering. Developers report that tasks which were near-impossible for Sonnet 4.5 just weeks earlier are now within reach, with the model often cutting token usage in half while solving the same problems.

Advanced agentic capabilities

The model excels at powering autonomous agents that plan, reason about tradeoffs, and call tools effectively. Early testers describe it as the clear winner for frontier task planning and tool calling, making it ideal for code migration, refactoring, and other complex multi-step workflows.

Improved efficiency and pricing

At $5/$25 per million tokens, Opus 4.5 brings Opus-level capabilities to a broader audience. Customers report that the model uses fewer tokens to solve problems compared to competitors, meaning the efficiency compounds at scale.

Enhanced everyday productivity

Beyond coding, Opus 4.5 handles deep research, slide creation, and spreadsheet work with meaningfully better results. Long conversations in Claude apps no longer hit a wall, and new integrations with Excel, Chrome, and desktop expand its utility.

What stands out

"Opus models have always been 'the real SOTA' but have been cost prohibitive in the past. Claude Opus 4.5 is now at a price point where it can be your go-to model for most tasks."

This quote from a CEO with early access captures the product's defining edge: it combines frontier intelligence with accessible pricing. Where previous Opus models were reserved for the most critical tasks, Opus 4.5 can serve as a daily driver across coding, research, and office work. Testers consistently note that the model "gets it" — handling ambiguity and reasoning about tradeoffs without requiring hand-holding.

Worth checking out if…

You're a developer or team leader who needs a model that can reliably tackle complex software engineering, agentic workflows, and analytical tasks without breaking the budget. If you've been waiting for an Opus-class model that's both powerful and practical for everyday use, Claude Opus 4.5 delivers exactly that.