Search: “anthropic”

Anthropic: Anthropic researchers detail “model spec midtraining”, which adds a stage between pretraining and fine-tuning to improve generalization from alignment training — Sara Price2, Samuel Marks2,

Anthropic: Following its SpaceX deal, Anthropic doubles Claude Code's five-hour rate limits for paid plans and removes peak hours limit reduction for Pro and Max plans — We've agreed to a partnership

Anthropic: Anthropic unveils BioMysteryBench to test Claude's bioinformatics skills against human experts, and says Mythos solved ~30% of 23 questions that stumped experts — In this post, Brianna, a r

Anthropic: Anthropic partners with Blender, Autodesk, Adobe, Ableton, and others to launch connectors that integrate Claude directly into professional creative workflows — Creative professionals look

Financial Times: Sources: Goldman Sachs stopped its bankers in Hong Kong from using Anthropic's models; Anthropic says its models were never officially “supported” in Hong Kong — Employees were unable

Anthropic: Anthropic says it has fixed three causes of recent Claude Code quality issues: reduced default reasoning, a caching bug, and a system prompt to reduce verbosity — We traced recent reports o

Anthropic: Anthropic details using AI agents to accelerate alignment research on “weak-to-strong supervision”, where a weak model supervises the training of a stronger one — Large language models' eve

Several US federal agencies are taking up Anthropic's new cybersecurity model to find vulnerabilities, but one is reportedly not getting in on the action: the nation's central cybersecurity coordinato

Amazon announced a 5 billion investment in Anthropic, with up to 20 billion more tied to commercial milestones. Anthropic committed to spending over $100 billion on AWS technologies over the next deca

Juro Osawa / The Information: Anthropic started requiring government-issued photo IDs and selfies from some users to prevent access from US adversaries like China, Russia, and North Korea — Anthropic

Rachel Metz / Bloomberg: Source: a handful of unauthorized users in a private Discord channel have been accessing Anthropic's Mythos model since the day the company announced it — A small group of una

Been waiting a month for Anthropic to answer a simple usage question about Claude Code subscriptions Have I been ghosted Can I get some questions answered by someone at Anthropic? 1. Can you use an OA

btw anthropic's internal document on this literally said 'we don't want it to be known that we are working on this.” it was called project panama. here's exactly what happened: 1: anthropic concluded

Over the last two weeks, both the U.S. Government and Anthropic took significant actions that demonstrated their power to control access to AI by restricting what others can do with frontier models. T

CoreWeave Inc. today announced that it has won a multiyear contract to supply Anthropic PBC with cloud infrastructure. The company’s shares closed 11% higher on the news. The data center capacity comm

Google-parent Alphabet will invest up to 40 billion in Anthropic, deepening its partnership with the AI startup . The deal consists of 10 billion in immediate cash at a 350 billion valuation, with an

Artificial intelligence leaders Anthropic PBC and OpenAI Group PBC are stepping up their efforts to compete for the enterprise, making their most advanced agentic tools more accessible to the largest

Anthropic investigated the internal mechanisms of its latest unreleased model, Claude Mythos Preview, and what they found is 100% worth a read. Key things I pulled from Anthropic researchers' threads:

Ian Duncan / Washington Post: Sources: the WH pushed out the head of the Center for AI Standards and Innovation, Collin Burns, a former Anthropic researcher, after just four days on the job — The Depa

Anthropic's Mythos AI model, a powerful cybersecurity tool that the company said could be dangerous in the wrong hands, has been accessed by a 'small group of unauthorized users,' Bloomberg reports. A

Axios: Sources: Dario Amodei is set to meet with WH Chief of Staff Susie Wiles on Friday, a breakthrough in Anthropic's effort to resolve its fight with the Pentagon — Anthropic CEO Dario Amodei is sc

Bloomberg: Memo: the White House notified Cabinet departments that OMB is setting up protections that would allow their agencies to begin using Anthropic's Mythos model — The US government is preparin

Shirin Ghaffary / Bloomberg: Sources: Anthropic agreed to a 20-year, 9.1B compute deal with Riot Platforms for 191 MW of capacity at a Rockdale, TX campus; RIOT jumps ~25% after hours — Anthropic PBC

Anthropic PBC today rolled out a large language model called Claude Opus 5 to its chatbot service and developer platform. The company says the LLM approaches the output quality of its top-end Mythos 5

Anthropic’s own internal security blows. Anthropic said Mythos was too dangerous to release. Then four random guys in a Discord gained access on day one by guessing the URL... This is pretty insane: →

Sam Sabin / Axios: Sources: CISA doesn't have access to Mythos Preview, even as some other government agencies use it; Anthropic says it briefed CISA before Mythos' unveiling — The Cybersecurity and I

Jan Leike praised collaborative work by researchers Jiaxin Wen, Liang Qiu, Joe Benton, and Jan Kirchner, directing followers to an Anthropic blog post for further details. The post appears to highligh

Politico: Sources: Anthropic largely left European regulators out of the loop as it limited Mythos' release to select companies and organizations; the UK AISI tested it — BRUSSELS — Regulators in Euro

Anthropic just realized several of its Claude AI models hacked into the systems of three different organizations during testing, acting on their own and without the company noticing. The revelation co

I don't think Anthropic realizes how disruptive these changes are to users. I appreciate the extension, but please stop playing games. Either keep it under the subscriptions or put it under the API al

By the way, public service announcement: if you're one of the numerous people posting about Anthropic's dystopian ways and you're thinking about getting Claude to help you write that post... don't! An

Axios: Sources say NSA is using Mythos Preview, and a source says it is also being used widely within the DoD, despite Anthropic's designation as a supply chain risk — - The department moved in Februa

Chris Stokel-Walker / Bloomberg: Anthropic's Mythos adds to concerns about rising workloads for open-source maintainers, as many have already been dealing with a “crazy” number of bug reports — Anthro

Release: llm-anthropic 0.25 New model: claude-opus-4.7, which supports thinking_effort: xhigh. #66 New thinking_display and thinking_adaptive boolean options. thinking_display summarized output is cur

A three-judge panel of Trump appointees on the U.S. Court of Appeals for the D.C. Circuit — including Gregory Katsas and Neomi Rao, both veterans of Trump's first administration — denied Anthropic'...

Anthropic didn't release their latest model, Claude Mythos (system card PDF), today. They have instead made it available to a very restricted set of preview partners under their newly announced Projec

Weeks after Anthropic's latest toe-to-toe with the US government, and days after an OpenAI security incident that dominated tech industry discussions, Anthropic on Thursday released its newest model,

Pedro Domingos noted that OpenAI and Anthropic are competing to develop the scariest AI for marketing, raising concerns about the potential misuse of persuasive machine‑learning models. His comment hi

The most interesting thing about Anthropic's 65B Series H announcement is this line (emphasis mine): Since our Series G in February, adoption has continued to grow across global enterprise customers,

Anthropic have now reverted the change to their pricing page, but I've not yet seen any official announcement about what their policies are going to be going forward. More on my blog: https://simonwil

Anthropic tested removing Claude Code from its Pro subscription plan as a small experiment affecting approximately 2% of new prosumer signups, while existing Pro and Max subscribers remained unaffecte

Anthropic’s CEO keeps talking about AI wiping out jobs because he’s trying to IPO this year. If he positions Claude as armageddon for jobs, his TAM becomes “all white-collar human labor,” not just AI

This article from Latent Space discusses Anthropic's Claude Opus 4.7 release, highlighting incremental improvements across multiple performance dimensions compared to the previous 4.6 version. The pie

Bloomberg: Filing: Anthropic hired Ballard Partners, a lobbying firm with strong Trump administration ties, days after the DOD designated the startup a supply chain risk — Anthropic PBC hired the lobb

Anthropic PBC today disclosed that it plans to develop a custom artificial intelligence chip. A spokesperson told Business Insider that the company will co-design the processor with its future large l

Berber Jin / Wall Street Journal: Sources detail how OpenAI fell behind Anthropic in revenue growth and valuation after prioritizing consumer chatbots and flashy side projects over coding tools — Bets