claude opus 4.5 Blog
How to use Claude Opus 4.5 with Cursor and Claude Code โ a in-depth guide
Anthropicโs Claude Opus 4.5 is the companyโs newest flagship model focused on coding, agentic workflows, and advanced โcomputer use.โ This article explains
How Much Does Claude Opus 4.5 Cost โ and is it worth it?
Claude Opus 4.5 is Anthropicโs newest โOpus-classโ model (released in late November 2025). Itโs positioned as a top-tier model for professional software
How to Use Claude Opus 4.5 API
Anthropic released Claude Opus 4.5 in late November 2025 as a more capable, more efficient Opus-class model targeted at professional software engineering,
Claude Opus 4.5 API
Claude Opus 4.5 positioned as a hybrid-reasoning, agent-oriented model optimized for long-horizon coding, complex office automation (Excel/PowerPoint automation), multi-tool agent workflows and long-context workflows. Claude Opus 4.5 emphasizes token efficiency, long-horizon coding and agentic tool use with an effort knob to tune tradeoffs; default 200K context with higher long-context options available