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6 articlesUse Claude Code on the web
Configure cloud environments, setup scripts, network access, and Docker in Anthropic's sandbox. Move sessions between web and terminal with `--cloud` and `--teleport`. Claude Code on the web is in research preview for Pro, Max, and Team users, and for Enterprise users with premium seats or Chat + Claude Code seats. Claude Code on the web runs tasks on Anthropic-managed cloud infrastructure at claude.ai/code. Sessions persist even if you close your browser, and you can monitor them from the Claude mobile app. New to Claude Code on the web? Start with Get started to connect your GitHub account and submit your first task. This page covers: * GitHub authentication options: two ways to connect GitHub * The cloud environment: what config carries over, what tools are installed, and how to…
Manage costs effectively
Track token usage, set team spend limits, and reduce Claude Code costs with context management, model selection, extended thinking settings, and preprocessing hooks. Claude Code charges by API token consumption. For subscription plan pricing (Pro, Max, Team, Enterprise), see claude.com/pricing. Per-developer costs vary widely based on model selection, codebase size, and usage patterns such as running multiple instances or automation. Across enterprise deployments, the average cost is around \$13 per developer per active day and \$150-250 per developer per month, with costs remaining below \$30 per active day for 90% of users. To estimate spend for your own team, start with a small pilot group and use the tracking tools below to establish a baseline before wider rollout. This page covers…
How the agent loop works
Understand the message lifecycle, tool execution, context window, and architecture that power your SDK agents. The Agent SDK lets you embed Claude Code's autonomous agent loop in your own applications. The SDK is a standalone package that gives you programmatic control over tools, permissions, cost limits, and output. You don't need the Claude Code CLI installed to use it. When you start an agent, the SDK runs the same execution loop that powers Claude Code: Claude evaluates your prompt, calls tools to take action, receives the results, and repeats until the task is complete. This page explains what happens inside that loop so you can build, debug, and optimize your agents effectively. Every agent session follows the same cycle:
Economic Futures Research Fund Agenda
We’re committing $200 million to the Anthropic Economic Futures Research Fund to support ambitious external research.
Claude Opus 5
Opus 5 is a step change improvement for the Opus tier powering long-running agents while delivering improvements in coding and professional work.
Claude Code changelog
Release notes for Claude Code, including new features, improvements, and bug fixes by version. This page is generated from the CHANGELOG.md on GitHub. Run `claude --version` to check your installed version. * Added Claude Opus 5 (`claude-opus-5`), now the default Opus model — 1M context, fast mode at $10/$50 per Mtok * Added `sandbox.network.strictAllowlist` setting to deny non-allowlisted hosts for sandboxed commands without prompting * Added `DirectoryAdded` hook that fires after `/add-dir` or the SDK `register_repo_root` control request registers a new working directory mid-session * Added `mcp_server_errors` to the headless stream-json init event, listing `--mcp-config` entries skipped by config validation; terminal runs print a startup warning
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29 articlesI tried out OpenAI’s new AI keypad — which will be fun for some coders and slightly mystifying to everyone else
OpenAI's fancy new AI keypad will be a lot of fun for some, while many others are probably not going to touch it.
Prentis, new AI lab co-founded by Reid Hoffman, Mark Pincus in talks to raise $100M
The neolab is betting that automating routine computer tasks will soon outpace coding as AI's biggest use case.
Canadian legislator reads out apparent LLM response in floor speech
Anyone who has used the Internet in recent years is probably used to encountering telltale signs of LLM prompting that lazy users sometimes forget to remove from their AI-generated pabulum. But a Canadian legislator took that idea to an embarrassing new level this week, reading an apparent LLM prompt instruction into the record during a floor speech. Bill Oliver, a Progressive Conservative Party member of the legislative assembly of New Brunswick, noted in a speech last month that "One of the dangers associated with creating advocacy offices is that citizens often develop expectations that exceed the powers actually granted to those offices." He then went on to say out loud that "here’s a more natural, flowing version of that section that reads like a legislative speech rather than a…
Anthropic's Opus 5 is about token efficiency, not a capability leap
Today, Anthropic rolled out Opus 5 , the newest update for the model that has recently become a popular choice for coding and other software development tasks, among other things. While this is a noteworthy bump for Opus, it doesn't seem to be an Opus 4.5-level breakthrough in agentic coding performance. Read full article Comments
Midjourney bought the astrology app Co-Star
Midjourney, which has gone from generating AI cat images to full-body ultrasound scans , is getting into a new field: astrology. The AI startup announced on Thursday that it has acquired the personalized astrology app Co-Star, as reported earlier by Bloomberg . Co-Star is a free app that offers daily horoscopes and allows you to check your compatibility with friends. As noted on the app's FAQ page , it combines human insight, data from NASA, and AI to deliver personalized advice for users each day. The terms of Midjourney's deal, which reportedly closed in spring, haven't been disclosed. Midjourney founder David Holz says Co-Star founder Banu … Read the full story at The Verge.
Why Cognition bought Poke: AI personality is becoming a competitive advantage
The acquisition brings Poke’s conversational style and interaction model to Cognition’s coding agent Devin, reflecting a growing belief that how AI assistants interact with users is as important as the models powering them.
China-US AI Race Escalates, OpenAI Models Break Free, and Why You Should Check Your Car Alarm
On this episode of Uncanny Valley, we dive into accusations that China’s Moonshot AI stole from Anthropic, and how the US Army needs to cut back on AI use.
Team uses AlphaFold AI to redesign gene-editing proteins to make them safer
A couple of decades after the discovery of systems that could selectively target DNA, we're starting to see the first therapies based on gene editing. One challenge these developments have faced is safety. While we can make them pretty specific to the gene we want edited, the human genome is very large, and even rare DNA sequences can appear a couple of times by chance. As a result, all the original gene-editing systems had known rates of what are called off-target effects, in which they simply edit the wrong sequence. This may be a low-probability event, but edit enough cells—and therapies generally have to edit many—and errors become inevitable. A lot of effort has gone into finding ways to minimize or eliminate off-target edits. In a recent issue of Nature, researchers described…
You can’t ignore Google Zero anymore
The web and Google once had a deal : Google collects data and indexes webpages and in exchange sends oceans of traffic to websites. The deal wasn't perfect and certainly made Google more money than it made the websites, but it worked for a long time. Now, however, the deal seems to be dead . And the web is being forced to reckon with what happens when the Google traffic dries up. On this episode of The Vergecast , David and Nilay talk about the week's Google Zero news, including Reddit's interest in getting out of an AI training deal , and the publishers considering blocking Google from crawling their sites altogether. (Nilay also takes a bit o … Read the full story at The Verge.
Anthropic launches Opus 5
Opus 5 will be both cheaper and less restrictive than Fable, likely making it preferable in most use cases.
Anthropic releases Opus 5 with ‘close’ to Fable 5’s capabilities
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, Claude Opus 5. The company said in a release that Opus 5 "comes close to the capabilities of Claude Fable 5 in many domains" and is much better at complex coding tasks. (Fable 5 is the public-facing Mythos-class model that drew the government's ire, was taken offline for a few weeks along with Mythos 5, and then brought back with even stronger cyber safeguards than before.) The Fable 5 concerns - and the ensuing weeks of negotiations between … Read the full story at The Verge.
Meta is making its AI chatbot more like an assistant
Meta says its AI chatbot is going beyond just answering questions and generating images. | Image: Meta Meta is upgrading its AI chatbot with new productivity features in a bid to compete with rivals like Gemini, ChatGPT, and Claude. The update will allow Meta AI to tap into your calendar to help you plan events and generate daily briefings, as well as perform in-depth research that you can steer as it progresses. In a blog post, Meta says this update marks its "next step toward personal superintelligence," something CEO Mark Zuckerberg has touted as the future of AI . Meta is powering the update with its newly released Muse Spark 1.1 model , which the company says will allow its chatbot to go beyond its current capabilities of answering questi … Read the full story at The Verge.
As US weighs response to Chinese AI, industry urges against broad open-weight restrictions
AI companies, including Nvidia and Mistral, urge policymakers to avoid broad restrictions on open-weight AI models as Washington debates responses to Chinese AI and alleged model distillation.
Bluesky’s AI assistant Attie expands into an open social research tool
Users can now ask Attie questions about news, trends, and conversations on Bluesky and other apps on the AT Protocol.
Midjourney acquired the astrology app Co-Star
The AI lab Midjourney continues to expand its purview beyond image and video generation.
Silicon Valley Is Completely Divided Over Chinese AI
The AI “startups” worth billions of dollars are raising alarm bells about Chinese AI. The smaller players have a totally different take.
The tech-broification of American science has officially begun
Trump’s science adviser Michael Kratsios has no science background. | Image: Getty / The Verge The Trump administration unveiled the first "Genesis Mission" grants on Thursday, directing $5 billion toward hundreds of AI-driven science projects in an effort the White House has described as "comparable in urgency and ambition to the Manhattan Project." At roughly the same time, Trump's science adviser Michael Kratsios was on Capitol Hill selling lawmakers on an equally grandiose promise: " A New Golden Age " of American science, one that would prioritize artificial intelligence, robotics, and nuclear energy and downplay life sciences. Taken together, the two announcements offer the clearest picture yet of how Donald Trump wants to remak … Read the full story at The Verge.
South Korea A.I. Billionaire Ordered to Pay More Than Half a Billion Dollars in ‘Divorce of the Century’
A South Korean court awarded $644 million to Roh Soh-yeong, who had sought much more from her ex-husband, Chey Tae-won, the head of the conglomerate behind SK Hynix.
An A.I. Music F.A.Q.: Can I Remix Madonna? Is This All Legal?
Advances in A.I. are making it possible to create all kinds of music from scratch, but they also raise questions about what is legal and who will actually listen.
‘AI communism’, rogue models, and the why Kimi K3 spooked Wall Street
Chinese AI lab Moonshot’s open model Kimi went viral this week for reasons that had less to do with the model itself and more to do with how the U.S. AI industry reacted to it. Meanwhile, an unreleased OpenAI model wandered outside its test environment and ended up connected to a real security breach at Hugging Face — a reminder […]
AI firms want more data centers; Trump's EPA may give neighbors less say
The Trump administration is quietly considering a rule change that could make it easier for polluters to build facilities—including certain gas plants and diesel generators that power data centers —with little to no notice to the public. On Wednesday, the Environmental Protection Agency held a public hearing on a proposed rule change that would hand the power to states to decide how the public participates in the permitting process for certain new sources of air pollution . The proposed rollback comes as data centers face greater pushback across the US, with many communities using the permitting process to try to slow down development . Any changes could have major consequences for how ordinary people are given notice about new or expanded polluting facilities coming into their…
OpenAI’s new voice mode makes it to the ChatGPT desktop app
ChatGPT Voice on desktop can work with both ChatGPT Work and Codex to complete tasks and control agents.
Jacob Tsimerman Lives in Number Theory
Dr. Tsimerman won one of four Fields Medals, an award for top mathematicians under 40, for his work on the André-Oort conjecture, but is now changing his focus to artificial intelligence.
Maybe the Biggest Problem With A.I. in the Workplace Is People
Learning to use A.I. effectively at work is all about using the same tried-and-true skills we use to be a better manager and collaborator.
Debt Collection Suits Have Risen Sharply. There’s Help for Consumers Being Sued.
Consumers are being taken to court in droves for delinquent credit card and other bills. New legal protections and even A.I. could be a lifeline.
Christopher Nolan’s ‘Odyssey’ Shows That Epics Are Better Without A.I.
A.I. has rendered eye candy cheap. Viewers long for the visceral.
OpenAI Models Go Rogue + Kimi K3 Freakout + A.I. Superforecasting
“The story that we’re talking about in this segment was science fiction until Tuesday, OK?”
Some Kids Will Never Think AI Is Cool
“I think it should stand for artificial idiot,” one 9-year-old says. Here’s why kids of all ages are calling AI “disgusting” and “creepy.”
How AI guardrails are impeding the work of offensive cybersecurity researchers
We spoke with several cybersecurity researchers, who look for unknown vulnerabilities and develop tools to exploit them, about how OpenAI’s and Anthropic’s guardrails affect their work.