It better leverages memory to maintain ... sustained quality that ongoing enterprise projects demand. Claude Opus 4.5 is state-of-the-art on tests of real-world software coding and agentic capabilities....

November 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.

Talk with Claude, an AI assistant from Anthropic

6 hours ago - In a move that redefined the standard for performance evaluation, Anthropic revealed that Opus 4.5 successfully completed the company's own internal two-hour performance engineering exam, outperforming every human candidate who has ever taken the test. This announcement has fundamentally altered the conversation around AI’s role in the workforce, transitioning from "AI as an assistant" to "AI as a primary engineer." The technical architecture of Claude Opus 4.5 introduces a paradigm shift in how developers interact with large language models.

17 hours ago - The Caveat: Some users warn of “benchmaxxing”—where a model is over-optimized for tests but feels “brittle” in niche real-world scenarios compared to the “workhorse” reliability of Sonnet or Opus. The biggest difference between the two is accessibility. Claude Opus 4.5: A closed API.

3 weeks ago - Claude Opus 4.5 is the best model currently available.

May 27, 2025 - Touted by Anthropic as the best coding model in the world, Claude Opus 4 excels at long-running workflows, deep agentic reasoning, and coding tasks.

Anthropic's Claude Opus 3 can handle complex analysis, longer tasks with multiple steps, and higher-order math and coding tasks. Supports 200k tokens of context (approximately 150k English words).

2 days ago - A new result from the AI evaluation nonprofit METR has pushed the conversation around autonomous AI systems into new territory. According to METR’s latest reporting, Claude Opus 4.5 has achieved the longest “time horizon” the group has ever measured on its autonomy benchmark, with a 50 ...

2 days ago - Grok 4.1 demonstrates fast contextual ... startups. Claude Opus 4.1 showcases robust creative writing and summarization abilities, presenting unique opportunities for content and media companies....

3 days ago - About a week ago, something unclear changed on Cursor’s side and Azure API stopped working in the API configuration for me. Around the same time, Azure announced support for Claude Opus 4.5, and there were articles mentioning the integration — but it still seems delayed and not officially usable yet.

4 days ago - Claude is a series of large language models developed by Anthropic. The first generation, Claude 1, was released in March 2023, and the latest, Claude Opus 4.5, in November 2025. The data for these models comes from sources such as Internet text, data from paid contractors, and Claude users.

1 month ago - Anthropic’s newest model, Claude Opus 4.5, is generally available on Vertex AI. As Anthropic’s most advanced model to date, it excels in coding, agents, vision, computer use and office tasks — at one-third the cost of its predecessor, Opus 4.1.

3 weeks ago - Also notable: they're claiming SOTA prompt injection resistance. The industry has largely given up on solving this problem through training alone, so if the numbers in the system card hold up under adversarial testing, that's legitimately significant for anyone deploying agents with tool access ...

1 month ago - Anthropic released Claude Opus 4.5 this morning, which they call “best model in the world for coding, agents, and computer use”. This is their attempt to retake the crown for best coding model after significant challenges from OpenAI’s ...

May 31, 2025 - Now let’s get the latest Claude Code. I’ve already installed it once, but I ran this in the command line to ensure it was up-to-date: The important thing before starting was to ensure it started with the updated Opus 4 model:

4 days ago - Is Anthropic down? Check real-time Anthropic status, official outages, and user reports.

4 days ago - PLUS: Advanced voice mode is finally live in ChatGPT · PLUS: Agent.AI, Amazon's Amelia and Copilot usage stats