Latest Opus News

Claude Opus 4.6 and Sonnet 4.6 now offer a 1M context window at standard pricing, with no long-context premium. This includes full rate limits, 6x more media per request, and improved accuracy across the full window.

Our latest model upgrade delivers top-tier performance in coding, finance, and other key areas, setting a new standard in the field.

Claude Opus 4.6 helps finance teams reason through complex analyses and create cleaner initial drafts with tools designed for their daily workflow.

This report uses new metrics to show how people interacted with Claude in November 2025, just before the release of Opus 4.5.

Anthropic focuses on developing AI systems that are safe, understandable, and controllable.

Microsoft Foundry now offers Claude Sonnet 4.5, Haiku 4.5, and Opus 4.1 models in public preview, enabling Azure customers to develop production applications and enterprise agents.

Microsoft 365 Copilot is expanding its model choices by adding Anthropic models, specifically Claude Sonnet 4 and Claude Opus 4.1, alongside OpenAI models. This allows users to choose their preferred model for tasks in Researcher and when building agents in Copilot Studio. Anthropic models are available for opt-in through the Frontier Program and can be managed by organization admins.

Copilot Studio now lets you build agents using Anthropic's Claude Sonnet 4 and Claude Opus 4.1 models, in addition to OpenAI's offerings.

Anthropic is an AI research company focused on developing safe and controllable artificial intelligence systems. Their work aims to make AI more reliable and understandable.