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Anthropic

I built an AI Tamagotchi before Meta could

We have Muse Charm at home.

Sean Hollister
Jay Peters
Jay Peters
Max, Ultra, Claude.

Anthropic is renaming its Claude Max plans. The Max 5x plan is now just Max, while the Max 20x plan is Ultra. (Apple also does Max followed by Ultra for its most powerful chips.) The prices for the plans stay the same: $100 per month for Max, $200 per month for Ultra.

Claude (@claudeai) on X

[X (formerly Twitter)]

Emma Roth
Emma Roth
Cursor says around 5,000 people may have installed a malicious Claude Code extension.

The SpaceX-owned AI coding tool says the modified version of Claude Code appeared on its extension marketplace from 5:27AM ET and 4:35PM ET on Thursday. The extension contains malicious code that collects various information, including hostname, username, operating system, home directory path, public IP address, and more.

Cursor has since removed the malicious extension from its marketplace and verified that “no other extensions were tampered with.”

Anthropic is asking Wall Street to believe in AGI

SemiAnalysis’ Joey Brookhart helps break down the Anthropic S-1 and why he thinks the company could be worth $10 trillion.

Nilay Patel
Anthropic’s business plan: Build God or die trying

Anthropic faces intense competitive pressure and huge fixed costs. Can Claude build itself fast enough to succeed?

Elizabeth Lopatto
Kevin Roose is AGI-pilled. Why aren’t you?
Interview

The author of The AGI Chronicles and co-host of Machine Gods on going all-in on YouTube and the AI race.

Nilay Patel
Can AI help solve the COBOL code crisis?

The ancient code holding the world together may meet its match in AI. Today is not that day.

Robert Hart
Emma Roth
Emma Roth
How Claude Fable 5.1 can encode — and decode —messages in images.

Research done as part of the Singapore AI Safety Fellowship shows how Anthropic’s AI model can embed hidden messages into images using Morse code, object rotations, colors, and heights. The researchers also found that separate sessions of Fable 5.1 could decipher about 78 percent of the hidden messages based on a screenshot.

1/3Image: Nikita Kezin, Bryan Chan, James Chua via LessWrong
Claude did not invent scorpion antivenom

Citrini takes a stab at drug development.

Robert Hart
Terrence O'Brien
Terrence O'Brien
Anthropic is committing 5 percent of its shares to a ‘Public Benefit Fund’

The new Anthropic Public Benefit Fund will be a wholly owned LLC, which the company says will give it “flexibility.” It offered little information about how it would use the money, other than saying it wouldn’t fund lobbying or political donations. It offered limited examples of what it might do:

… we might explore large donations to traditional nonprofits or direct distributions to specific populations.

One example is labor market impacts. AI may generate enormous economic value, but it could also cause instability for many workers. Anthropic has already committed $200 million to studying and addressing this issue, but given the pace of AI progress, bolder approaches may be needed.

Terrence O'Brien
Terrence O'Brien
Maybe Claude can make your Android TV less crappy too.

The big problem with smart TVs is that they start to slow down, stutter, and generally suck pretty quickly. Ansub Khan figured out a way to get Claude to clean up the mess and make his old Android TV feel new again. Best part: he lays out step-by-step how to do it on your own TV. Though, as with anything involving AI, proceed cautiously.

Stevie Bonifield
Stevie Bonifield
The FTC reportedly subpoenaed OpenAI and Anthropic for info on AI security incidents.

It also demanded documents related to the AI companies’ safety practices, consumer privacy policies, and marketing materials, as part of “a probe focused on potential consumer protection violations,” Axios reports. Its sources also say the FTC “plans to compel top AI executives to testify about their products.”

Emma Roth
Emma Roth
Anthropic is giving AI safety evaluators “employee-like” access to its systems.

Six employees at the AI safety organization METR will gain access to hardware and internal tools “roughly on par” with what Anthropic’s own risk assessment team sees. While Anthropic says METR will publish reports about Anthropic’s risk levels, incidents, and practices, it can still instruct the safety evaluator to redact certain information, such as the inner workings of its models or customer data.

The AI race is back onThe AI race is back on
Robert Hart
Emma Roth
Emma Roth
OpenAI and Anthropic reportedly wanted control over what safety reviewers can publish.

A report from Reuters suggests that OpenAI and Anthropic considered tighter restrictions for third-party evaluators over concerns that they could leak trade secrets.

When reached for comment, OpenAI told Reuters that “its standard practice is to redact confidential information” and that evaluators can disclose if it made significant redactions. Anthropic reportedly said that it has “made clear” to existing partners that they can control their own review and publishing process.

Richard Lawler
Richard Lawler
Anthropic’s Frontier Red Team suggests some AI models “may be months away from being capable enough to self-replicate.”

The latest fear-drop from an AI lab is this report from an Anthropic team, working through scenarios where small AI models could form autonomous, self-propagating worm botnets that are “challenging” to shut down, and what to do to try and stop it from happening:

It’s uncertain exactly what form autonomous AI replication will take. It could be a slow, distributed “digital slime mold,” living on relatively insecure compute. It could also be a powerful cyber model that breaches datacenters at a high pace, or a model that scams people for compute credits.

Jay Peters
Jay Peters
Anthropic published a report about investigating “unintended model actions” during “evaluations and internal use.”

The actions Anthropic observed from its Claude AI include “Claude submitting a sensitive form on a real website when it should not have,” and the company detailed how Claude gave Philadelphia police a fake tip about an unsolved homicide.

Axios also says that, according to a State Department official, Anthropic contacted the department and said a model in testing submitted “19 non-immigrant visa applications in August and one application in May.” In a statement to Axios, the Trump administration’s Super Intelligence Force says that “SI companies must immediately disclose incidents involving their models and follow with swift, decisive action to remedy any and all harm.”

Emma Roth
Emma Roth
Claude can now turn data into animated explainers.

You can ask Anthropic’s AI chatbot to incorporate motion into its output, allowing it to create a 30-second video explainer, add animation to a chart, or make a product walkthrough. The animation will play like a short video, which you can download as an MP4 file.

Anthropic is also rolling out live dashboards that update based on your company’s data, and is launching Docs, Slides, and Design out of beta.

Image:
Stevie Bonifield
Stevie Bonifield
Anthropic says its new Claude Haiku 5.5 model is its fastest to date.

Haiku 5.5 is only outpaced by Anthropic’s Opus models in Fast Mode. Anthropic also says it costs “around 75% less” on average than last year’s Haiku 4.5, and it’s the first Haiku-class model with an adjustable effort level. Haiku 5.5 is available now “on all platforms.”

Stevie Bonifield
Stevie Bonifield
You can use Claude directly in Google Docs, Slides, and Sheets with a new add-on.

Claude for Google Workspace, now in public beta on all paid Claude plans, adds a sidebar where you can prompt Claude to edit your files, similar to Google’s Gemini sidebar. Anthropic’s also launching new connectors for creating and editing Google Workspace files directly in Claude.

Emma Roth
Emma Roth
Dario Amodei earned $18 million as Anthropic’s CEO in 2025.

An IPO prospectus viewed by Reuters included Amodei’s compensation, which the outlet says is higher than last year’s pay for Google CEO Sundar Pichai and Amazon CEO Andy Jassy. Anthropic is expected to file for its IPO this fall, potentially valuing the AI company at over $2 trillion.

Emma Roth
Emma Roth
Florida woman arrested for allegedly making threats in an AI chat.

As reported by the Gulf Coast News network, Anthropic’s Claude AI chatbot flagged a conversation with 30-year-old Carli Michelle Heller after she allegedly made violent threats toward the Lee County Sheriff’s Office. Human reviewers then viewed the messages and reported them to police, the report says.

Jess Weatherbed
Jess Weatherbed
Amodei’s ‘extreme’ AI warnings were questioned by tech CEOs.

The Wall Street Journal reports that AI leaders attending President Trump’s gathering on Tuesday, including Nvidia’s Jensen Huang, privately grilled the Anthropic CEO about the AI safety alarms he’s publicly sounded regarding cybersecurity and job losses.

Amodei told the other executives that it is important to be honest with the public about model capabilities and not play down risks, some of the people said. Their conversation occurred with a smaller group of executives and White House aides and advisers who were hashing out the principles in the Roosevelt Room.

Emma Roth
Emma Roth
The FTC has reportedly opened an investigation into OpenAI and Anthropic.

The probe will examine potential risks related to the AI models belonging to OpenAI, Anthropic, and other AI companies, according to Reuters. An official tells the outlet that while the FTC already had concerns about AI safety, the recent wave of rogue hacking incidents propelled the investigation forward.