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Introducing Claude Opus 4.5 \ Anthropic

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Our newest model, Claude Opus 4.5, is available today. It’s intelligent, efficient, and the best model in the world for coding, agents, and computer use. It’s also meaningfully better at everyday tasks like deep research and working with slides and spreadsheets. Opus 4.5 is a step forward in what AI systems can do, and a preview of larger changes to how work gets done. Claude Opus 4.5 is state-of-the-art on tests of real-world software engineering: Opus 4.5 is available today on our apps, our API, and on all three major cloud platforms. If you’re a developer, simply use claude-opus-4-5-20251101 via the Claude API. Pricing is now $5/$25 per million tokens—making Opus-level capabilities accessible to even more users, teams, and enterprises. Alongside Opus, we’re releasing updates to the Claude Developer Platform, Claude Code, and our consumer apps. There are new tools for longer-running agents and new ways to use Claude in Excel, Chrome, and on desktop. In the Claude apps, lengthy conver

Announcements Introducing Claude Opus 4.5 Nov 24, 2025 Our newest model, Claude Opus 4.5, is available today. It’s intelligent, efficient, and the best model in the world for coding, agents, and computer use. It’s also meaningfully better at everyday tasks like deep research and working with slides and spreadsheets. Opus 4.5 is a step forward in what AI systems can do, and a preview of larger changes to how work gets done. Claude Opus 4.5 is state-of-the-art on tests of real-world software engineering: Opus 4.5 is available today on our apps, our API, and on all three major cloud platforms. If

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