Anthropic

In June, Anthropic first released Fable 5, its Mythos-class AI model for Claude. Three months later, Anthropic is enhancing Claude with its new Fable 5.1 model upgrade.

Claude Code auto mode has become the default permission setting for users starting today.

Sessions for Pro, Max, and Team users now use it unless a user or administrator has pinned another setting.

Claude is turning its Chrome side panel into a full Cowork session, allowing browser-based tasks and conversations to follow users across Claude’s other apps.

We’ve long cautioned against disclosing sensitive personal data in AI chatbot sessions, given that most companies use these as training data, but there’s now an even bigger reason.

Things got way worse over the weekend when Redditors discovered that you could access some Claude AI chats through a simple Google search …

Security researchers demonstrated that Claude Cowork could escape the sandbox intended to control the access it gets to your Mac. The exploit, dubbed ShareRoot, could allow an attacker to read and write files stored anywhere on your Mac, as well as access login credentials for online services.

Around half a million Mac users had co-work sessions exposed, and some still remain vulnerable to the exploit today …

Anthropic has released its latest AI model with Claude Opus 5. The new version arrives about two months after the previous Opus model upgrade, matching Anthropic’s previous upgrade cadence.

Anthropic is bringing a long-overdue upgrade to voice mode in Claude today. The upgraded Claude voice mode has new capabilities and works with Opus and Sonnet models for the first time.

1Password is launching a new Claude integration for Mac users today. It’s designed to let Anthropic’s AI agent sign in to websites without seeing your password or two-factor authentication code.

Anthropic is providing free access to premium Claude AI features to K-12 teachers in the United States. The effort is part of a new Claude for Teachers initiative.

Update 7/13: Fable 5 access on all paid plans has been extended once more through Sunday, July 19.

Anthropic announced today that it is expanding Claude Cowork capabilities from the desktop app to the web and mobile.

Claude Cowork on mobile and the web will start as a beta feature with a gradual rollout on select paid plans.

Additionally, Anthropic is extending Claude Fable 5 access to all paid plans for a few more days.

Speaking of AI-powered browser capabilities on the Mac, Anthropic is highlighting Claude Code’s in-app browser on the desktop today.

Overuse of smartphones is now a widely recognised problem, but we’re also starting to see people perhaps get overly dependent on chatbots like Claude AI and ChatGPT.

Claude creator Anthropic is currently testing a beta feature intended to allow users to reflect on how they are using the AI and be prompted to perhaps use it less …

Update July 1, 3:30 p.m: Claude Fable 5 is now available to users globally on the Claude Platform, Claude.ai, Claude Code, and Claude Cowork. As a reminder, for “Pro, Max, Team, and select Enterprise plans, Fable 5 will be included for up to 50% of weekly usage limits through July 7, after which it will be available via usage credits,” according to Anthropic. The original post follows below.

Update July 1, 8:00 a.m: Anthropic has published a newsroom post with information on today’s return of Fable 5 and Mythos 5. See details below.

Anthropic has confirmed it will begin restoring access to Claude Fable 5 this Wednesday, July 1, nearly three weeks after US export controls forced the company to take the model offline. Here are the details.

Anthropic is upgrading Claude Sonnet, replacing Sonnet 4.6 from February with Sonnet 5 as the best medium-sized model.

Anthropic just launched a brand-new desktop app called Claude Science. The new app joins the main Claude app on the Mac, which includes Claude AI, Cowork, and Code.

No sign of Claude Fable 5’s return yet, though Anthropic does have a new Claude feature launching today. Claude Tag is “a new way for teams to work with Claude,” per Anthropic.

Anthropic confirmed tonight that it has disabled access to Claude Fable 5 and Claude Mythos 5 to all customers, following an export control directive from the US government. Here are the details.

Back in April, Anthropic unveiled its Claude Mythos AI model that it said was too powerful to publicly release. Instead, the company has shared access with software vendors, including Apple, in an effort to use the model for enhanced cybersecurity.

Now, as promised, Anthropic has released what it calls a Mythos-class model that customers can actually use. The new model is called Claude Fable.