Anthropic has introduced Claude Haiku 5.5, a new small AI model aimed at high-volume work such as summarization, classification, database queries, document extraction, and customer support. The company says it is its fastest model to date and the first model in the Haiku family to offer adjustable effort controls. The new setting lets developers choose …
Anthropic is advising Claude users to give its Opus 5.5 model clearer goals, then allow it to work with less frequent intervention. The company’s guidance focuses on long tasks, reviewing results, handling documents and images, and avoiding prompt habits that may no longer be useful. Addy Osmani writes for Anthropic that Opus 5.5 is designed …
Anthropic has released Claude Sonnet 5.5, a new version of its midrange AI model that the company says is faster, more efficient, and substantially stronger at coding and everyday knowledge work than Claude Sonnet 5. Anthropic announces in an official blog post that Sonnet 5.5 is available across its own platform and through Amazon Web …
Anthropic is advising users of Claude Opus 5.5 to revisit prompt settings and agent workflows, even when existing prompts worked well with earlier versions. The company says the model responds faster than Claude Opus 5, often completes work with fewer tokens, and needs different controls for effort, progress reporting, and safety. This official document explains …
Anthropic is redesigning Claude projects so users can describe a broad task in one conversation while Claude organizes work across multiple parallel threads. Anthropic announces in an official Claude blog post that the updated Projects feature begins rolling out in beta for selected Claude Pro and Max subscribers who use Claude Code cloud sessions. The …
Anthropic has released Claude Opus 5.5, a new flagship AI model that the company says delivers performance close to its higher-end Claude Fable 5.1 on most tasks while reducing typical operating costs by 40 percent compared with Opus 5. The launch combines an updated model with lower token prices, faster output, and stricter controls for …
I’ve seen some confusion online about the difference between “Chat” and “Cowork” in Claude or “Chat” and “Work” in ChatGPT. They look almost the same. What’s the difference? Is one better than the other? Should I only use “Cowork” now because “Chat” is old and inferior? The actual difference between these two modes comes down …
Anthropic has released the first Claude models that add invisible watermarks to every text and file response. At the same time, the company has opened a detection API for approved organizations to verify whether content carries a Claude watermark. Claude Fable 5.1 is now generally available through the Claude desktop app and other platforms. Claude …
Anthropic has introduced Claude Fable 5.1, a generally available AI model aimed at coding, knowledge work, and long-running automated tasks. The company is also releasing Claude Mythos 5.1, the same underlying model with less restrictive cybersecurity and life-sciences safeguards for vetted organizations. The most immediate change for many businesses is pricing. Anthropic has kept Fable …
Anthropic has combined the memory systems used by Claude chat and Claude Cowork. Information Claude retains from conversations can now follow users between the chatbot and the company’s task-focused Cowork tool. David Gewirtz reports for ZDNET that the shared memory works in both directions. Context created in Cowork can also be used in later Claude …