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19 articlesClaude 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 directory path suggestions to `/cd`, matching `/add-dir` behavior * Added a `/doctor` check that proposes trimming checked-in `CLAUDE.md` files by cutting content Claude could derive from the codebase * `/commit-push-pr` now auto-allows `git push` to the repo's configured push remote (`remote.pushDefault`, or the sole remote when only one is configured) in addition to `origin` * Gateway: `/login` now supports Anthropic-operated public gateway endpoints * `EnterWorktree` now asks for confirmation before entering a git worktree outside the project's `.claude/worktrees/` directory
Golden Gate Claude
When we turn up the strength of the “Golden Gate Bridge” feature, Claude’s responses begin to focus on the Golden Gate Bridge. For a short time, we’re making this model available for everyone to interact with.
The Long Term Benefit Trust
Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
Ben Bernanke
Anthropic is an AI safety and research company that's working to build reliable, interpretable, and steerable AI systems.
Monitoring
Learn how to enable and configure OpenTelemetry for Claude Code. Track Claude Code usage, costs, and tool activity across your organization by exporting telemetry data through OpenTelemetry (OTel). Claude Code exports metrics as time series data via the standard metrics protocol, events via the logs/events protocol, and optionally distributed traces via the traces protocol. Configure your metrics, logs, and traces backends to match your monitoring requirements. Configure OpenTelemetry using environment variables: export CLAUDE_CODE_ENABLE_TELEMETRY=1 export OTEL_METRICS_EXPORTER=otlp # Options: otlp, prometheus, console, none export OTEL_LOGS_EXPORTER=otlp # Options: otlp, console, none export OTEL_EXPORTER_OTLP_PROTOCOL=grpc export OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:4317
Run Claude Code programmatically
Use the Agent SDK to run Claude Code programmatically from the CLI, Python, or TypeScript. The Agent SDK gives you the same tools, agent loop, and context management that power Claude Code. It's available as a CLI for scripts and CI/CD, or as Python and TypeScript packages for full programmatic control. To run Claude Code in non-interactive mode, pass `-p` with your prompt and any CLI options: claude -p "Find and fix the bug in auth.py" --allowedTools "Read,Edit,Bash" This page covers using the Agent SDK via the CLI (`claude -p`). For the Python and TypeScript SDK packages with structured outputs, tool approval callbacks, and native message objects, see the full Agent SDK documentation. Add the `-p` (or `--print`) flag to any `claude` command to run it non-interactively. All CLI options…
How Claude Code works
Understand the agentic loop, built-in tools, and how Claude Code interacts with your project. Claude Code is an agentic assistant that runs in your terminal. While it excels at coding, it can help with anything you can do from the command line: writing docs, running builds, searching files, researching topics, and more. This guide covers the core architecture, built-in capabilities, and tips for working effectively. For step-by-step walkthroughs, see Common workflows. For extensibility features like skills, MCP, and hooks, see Extend Claude Code. When you give Claude a task, it works through three phases: gather context, take action, and verify results. These phases blend together. Claude uses tools throughout, whether searching files to understand your code, editing to make…
Agent SDK reference - TypeScript
Complete API reference for the TypeScript Agent SDK, including all functions, types, and interfaces. npm install @anthropic-ai/claude-agent-sdk The SDK bundles a native Claude Code binary for your platform as an optional dependency such as `@anthropic-ai/claude-agent-sdk-darwin-arm64`. You don't need to install Claude Code separately. If your package manager skips optional dependencies, the SDK throws `Native CLI binary for not found`; set `pathToClaudeCodeExecutable` to a separately installed `claude` binary instead. When you compile your application into a single-file executable with `bun build --compile`, the SDK cannot resolve the bundled CLI binary at runtime. `require.resolve` does not work inside the compiled executable's `$bunfs` virtual filesystem, so the SDK throws `Native CLI…
Use 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…
Get structured output from agents
Return validated JSON from agent workflows using JSON Schema, Zod, or Pydantic. Get type-safe, structured data after multi-turn tool use. Structured outputs let you define the exact shape of data you want back from an agent. The agent can use any tools it needs to complete the task, and you still get validated JSON matching your schema at the end. Define a JSON Schema for the structure you need, and the SDK validates the output against it, re-prompting on mismatch. If validation does not succeed within the retry limit, the result is an error instead of structured data; see Error handling. For full type safety, use Zod (TypeScript) or Pydantic (Python) to define your schema and get strongly-typed objects back. Agents return free-form text by default, which works for chat but not when you…
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:
Hard Questions
We're asking the public for their hardest questions about AI, and committing to show our work as we address them.
Aurora 1.5: Extending open foundation models for weather and Earth-system applications
At a glance Aurora 1.5 is a major extension of Microsoft’s Aurora Earth System foundation model that adds 22 more weather variables relevant to energy, agriculture, transport, and climate risk, along with hourly temporal resolution and probabilistic ensemble forecasting. Released as open source on GitHub with model checkpoints on Hugging Face, Aurora 1.5 enables researchers and developers to use, evaluate, and build on the model. Aurora 1.5 connects open research to Microsoft Weather services, linking the model with data, infrastructure, managed access, and operational use for weather and Earth-system applications. Aurora 1.5 is a major update to the open Aurora Earth-system foundation model, adding 22 new weather variables for a broader view of atmospheric conditions, hourly forecasts,…
Reflect With Claude
Introducing a new way to reflect on and refine how you use Claude. It lets you easily track and visualize how you use Claude, and decide whether that time aligns with your goals.
Release notes
July 2026 July 9, 2026 A new way to reflect with Claude Your monthly recap is a new feature at Settings > Reflect that shows you the topics you spent time on, your most active day and peak hour, and observations about how you work with Claude. It's in beta on Free, Pro, and Max plans on the web and Claude Desktop, and requires memory to be on. Alongside it, Settings > Time and focus lets you set optional break reminders and quiet hours. For more information, refer to See your monthly recap and Set break reminders and quiet hours . July 7, 2026 Claude Cowork on web and mobile Claude Cowork is now available on web and mobile in addition to desktop. We are rolling this capability out over the next several weeks starting with the Max plan, with more plans to follow. Cowork runs your sessions…
GPT-5.6 is now the preferred model in Microsoft 365 Copilot
Learn how GPT-5.6 powers Microsoft 365 Copilot with stronger AI capabilities across Word, Excel, PowerPoint, Chat, and Cowork for faster, higher-quality work.
ChatGPT is now a partner for your most ambitious work
ChatGPT Work is an agent that can take action across your apps and files, stay with a project for hours if needed, and turn a goal into finished work.
GPT-5.5 Bio Bug Bounty
Details about the OpenAI Bio Bounty program
GPT-5.6: Frontier intelligence that scales with your ambition
More intelligence from every token, stronger performance per dollar, and more capability on demand for your hardest work.
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47 articlesOpenAI says GPT 5.6 is the ‘preferred model’ for Microsoft Copilot amid breakup chatter
OpenAI's new family of models will continue to power Microsoft's suite of workplace and productivity apps.
Microsoft’s carbon emissions went up 25 percent last year
Microsoft may once again be struggling to keep up with its own climate goals, according to its 2026 sustainability report . As reported by GeekWire , the report states that Microsoft's carbon emissions increased 25 percent in 2025, totalling 34 million metric tons "without select interventions." Microsoft says this was "driven primarily by the expansion of our datacenter infrastructure," as well as the company's decision last February to stop purchasing "non-additional, unbundled renewable energy certificates." Several years ago, Microsoft set itself a goal to be carbon negative by 2030 , meaning it will need to remove more carbon emissions t … Read the full story at The Verge.
Fidji Simo steps down from OpenAI’s no. 2 role
OpenAI's No. 2 executive, Fidji Simo, is stepping down from her full-time role after her medical leave proved longer than expected — a leadership vacuum that comes at a tricky time as the company eyes a possible IPO and races to catch Anthropic in the enterprise market.
Fidji Simo steps down from leading OpenAI’s AGI work due to illness
OpenAI's Fidji Simo is departing her full-time role as the company's AGI chief and is transitioning to being a "part-time advisor," she said on X . The news follows Simo's original announcement in April that she would take a few weeks of medical leave due to a neuroimmune condition, shortly after she had taken on the AGI chief title. (She had formerly been the company's CEO of applications). Around the same time, COO Brad Lightcap also stepped down from his role to focus on "special projects," and OpenAI CMO Kate Rouch also stepped down in order to focus on her health. Rouch planned to return to a "more narrowly scoped role" when her health … Read the full story at The Verge.
OpenAI’s CEO of AGI Deployment, Fidji Simo, Is Stepping Down
The move comes after Simo took significant medical leave. She will stay on as a part-time adviser.
OpenAI launches its new family of models with GPT-5.6
OpenAI's latest family of models promises improvements across a range of areas, including cybersecurity.
An AI agent startup just let its agent run its $100M fundraise
Lyzr, a startup that builds AI agents for enterprises, used its own AI agent to raise a $100 million round — proof, evidently, that the product actually works.
OpenAI is shutting down Atlas, but its AI browser ambitions are still growing
OpenAI is sunsetting its AI-powered browser after less than a year. But it's moving some agentic browsing features to its desktop app and a Chrome extension.
Elon Musk praises Mythos/Fable, promises not to ‘cut off’ Anthropic
Should Anthropic trust Elon Musk to host its models? With about $40 billion in revenue at stake, Musk insists that the company can.
Can AI answer the $3 trillion question?
The AI ROI debate has returned and the numbers are even bigger, as are, perhaps, the consequences.
OpenAI wants its new tool to do your work for you and with you
Last year, when we tested out the "Agent Mode" in OpenAI's Atlas web browser , we complained that any automated tasks tended to stop after a few minutes, limiting its usefulness for ongoing or complex tasks. With today's release of ChatGPT Work , OpenAI says it has solved that problem with a new tool that can "stay with a project for hours if needed, and turn a goal into finished work." The company is challenging users to evaluate ChatGPT Work by "giv[ing] it a task you already know well," such as analyzing a budget or preparing a sales meeting. The company also promises that ChatGPT Work can automate entire workflows, going from customer research to a campaign brief to locally tailored marketing assets, for instance. At the same time, the company stresses that the tool will wait for you…
The ChatGPT browser is already dead
OpenAI is already shutting down ChatGPT Atlas, its browser that could do tasks for you on your behalf, less than a year after launching it. Atlas was announced in October , but as part of its wave of news about ChatGPT Work today , the company confirmed that it will be "sunsetting" Atlas and is targeting an August 9th date for deprecation. The shutdown follows OpenAI's push to reduce "side quests" and catch up with Anthropic on productivity features . As part of that push, in March, The Wall Street Journal reported that OpenAI planned to combine the ChatGPT app, Codex, and Atlas into a desktop "superapp" - ChatGPT Work appears to be the result … Read the full story at The Verge.
Anthropic found a hidden space where Claude puzzles over concepts
The AI firm Anthropic has developed a technique that has given it the clearest glimpse yet at what’s really going on inside large language models as they answer questions or carry out tasks. What they found ranges from the mundane to the unnerving. Researchers at the company built a tool called the Jacobian lens (or J-lens) and used it to uncover a hidden area, which they named the J-space, inside Claude Opus 4.6, a version of Anthropic’s flagship LLM released in February. The J-space contains individual words that are related to the words and phrases that the model is most likely to spit out in a response in the near future. If Claude were a person (which it is not), you might say that these hidden words can reveal what’s on its mind before it actually speaks. Anthropic found that what…
Did We Make the Wrong Bet on Big A.I.?
Maybe Anthropic and OpenAI are not the future of artificial intelligence.
Humanoid robots controlled by surgeons did world-first operation on live pigs
Humanoid robots have surgically removed the gallbladders from living animals in an unprecedented medical experiment—but not as autonomous machines capable of replacing human doctors. Instead, skilled human surgeons remotely controlled the robots’ movements in a new example of human-robot teamups. The teleoperated humanoid robots completed two minimally invasive surgeries by removing gallbladders from live pigs during a preclinical trial that was published in the journal Nature . If this approach eventually proves clinically ready for human patients, surgeons could use such humanoid robots to remotely perform robotic-assisted surgical care in smaller hospitals and clinics that lack the resources to install specialized but expensive surgical robots. “It's a fraction of the cost and it takes…
Google will now tell you if an ad was made with AI
You can see if ads on Google Search, Google Discover, and YouTube were made or edited using AI from a new section in Google's "My Ad Center," as reported earlier by TechCrunch . The update, announced on Thursday, adds a "created or edited with AI" label under the "how this ad was made" tab. Users can find it by tapping the three dots or info button on ads, which pulls up the same panel where you can also block or report ads. Google says it will automatically apply the AI label to any ads made with its own generative AI advertising tools, but AI ads made elsewhere will need to have the label applied manually. In some regions, Google's new AI … Read the full story at The Verge.
Meta enters the crowded AI coding battle with Muse Spark 1.1
Meta's pitch to users is Spark's ability to handle large agentic workloads, fix bugs, and help with large code migrations — the kind of automation that enterprises are increasingly turning to AI companies to provide.
New York Times says OpenAI hid evidence in ChatGPT copyright trial
News publishers say OpenAI hid tools and datasets that could identify copyrighted journalism in ChatGPT outputs, escalating their lawsuit with a new motion for sanctions.
OpenAI may have made a fatal misstep in copyright fight with news orgs
OpenAI is facing calls for "serious sanctions" after fighting to keep news organizations from snooping through millions of logs to find evidence of users skirting their paywalls by prompting ChatGPT to regurgitate their articles. This evidence is considered among the most important to both sides, potentially either dooming OpenAI as an infringer or exonerating its chatbot technology as a transformative fair use of news sites' content. In a sanctions motion Thursday, news organizations suing OpenAI—led by The New York Times—accused the AI firm of repeatedly lying for years to conceal evidence of infringement that could hobble OpenAI's defense. Read full article Comments
New York Times and Other Publishers Ask Court to Penalize OpenAI
The Times, The New York Daily News and other media organizations accused OpenAI of withholding evidence in a lawsuit.
Google will now disclose which ads are made with AI
While Google prohibits misleading and deceptive ads, an ad can still leverage AI to create some type of synthetic or digitally altered content. Until now, that's something Google only required election ads to disclose.
Paris-based AI voice startup Gradium raises $100M seed, backed by Nvidia
The company is using the cash to open an office in the Bay Area and compete for talent there, "strengthening its position at the heart of the world's leading AI ecosystem."
Anthropic Wants You to Pay Up for Claude Fable 5
Claude subscribers must soon pay usage-based fees to access Anthropic’s best consumer AI model—a sign that the golden era of AI subscriptions is ending.
How did the government decide OpenAI’s frontier model was safe to release?
"Exactly what that dialog looked like between the government and Anthropic and OpenAI is unclear."
‘I’m Worried About Weimar America’
“It may not be Hitler 2.0. It may not be Stalin 2.0. It might be something all American, but it’s not going to be what we’re used to,” the author Rod Dreher argues.
Instagram users: Here’s how to stop Meta’s AI from using your photos
Muse Image allows users to generate AI images using photos from public Instagram accounts. As long as a person's profile is public, another user can tag that account and use their images as part of an AI-generated creation.
Meta’s new AI chips will begin production in September
The company is taking a modular approach to designing these chips, anticipating that their needs will change as AI evolves rapidly by the time the chips are in production.
Nvidia is a victim of the compute marketplace it created
Having proven how valuable compute can be, the company finds itself at the center of a market everyone wants to be in — while simpler technologies and less interesting companies get rich on the sidelines.
Microsoft’s patch Tuesdays are about to get bigger
Windows 11 updates could soon include fixes for more security issues at once. Microsoft said in a blog post on Thursday that it's now using AI to "identify potential issues earlier," which means "customers will see a higher volume of security updates included in each security release." Hackers, even amateurs, have increasingly been using AI to quickly exploit security weaknesses over the past several months. Security researchers are also using AI to find issues faster, leading to more frequent high-severity vulnerabilities, like the "Copy Fail" exploit that impacted nearly every Linux distribution in May. Similarly, when Anthropic announce … Read the full story at The Verge.
OpenAI rolls out GPT-5.6 after government greenlight — and announces ‘ChatGPT Work’
About two weeks after OpenAI's GPT-5.6 was caught up in regulatory drama - rolled out only to government-approved organizations during a "limited preview" period - the company has received the Trump administration's greenlight for a public rollout of the model. OpenAI CEO Sam Altman called it "the best model we have ever produced." To celebrate, OpenAI also unveiled a new AI agent on the same day: ChatGPT Work. It's billed as a combination of ChatGPT and Codex, allowing the everyday non-technical user to take advantage of Codex's capabilities for non-coding tasks, and it's powered by the GPT-5.6 model suite (Sol, Terra, and Luna). "It can g … Read the full story at The Verge.
The 1X Neo Robot Has Freaky Fast Fingers
The soft, oddly intimate home-chore robot has been given some very tactile hands.
A $3.2 Trillion Deal-Making Frenzy Is Spurred by the A.I. Economy
This year’s boom includes the most spent on global deal-making in a six-month period in a decade. But questions persist about whether it can continue.
Anthropic’s new Claude feature is quietly selling you on AI
Claude’s new Reflect dashboard doesn’t just visualize how you use AI. It also subtly reinforces how much of your daily work now depends on Anthropic’s chatbot.
Anthropic, OpenAI, and SpaceX are bigger than the last 25 years of tech exits
Three big AI IPOs are set to generate more value than all the U.S. VC-backed exits since 2000.
Meta says its new AI model is ready to compete on coding
After reentering the AI race with its first in-house Muse Spark model in April, Meta is now opening up the doors to developers with a new model that can plug into AI coding software with the new Meta Model API. Meta says that Muse Spark 1.1 is a "step-change" from the first generation, with improvements based on feedback from developers. The company says it's capable of more advanced coding, including detection and fixing of complex bugs; better supports end-to-end agentic workflows across a range of apps, including multi-agent systems; and has native multimodal perception across images, videos, and documents. The Muse Spark 1.1 launch fol … Read the full story at The Verge.
Say hello to Claude Wrapped
The popularity of Spotify Wrapped has kicked off a wide range of year-in-review features, on apps from YouTube to Uber - and now, the lookback trend has come to AI. Anthropic on Thursday announced a "reflect" feature for its Claude chatbot, allowing users to see an analysis of their usage data over the past month, three months, six months, or year. Anthropic bills the reflection dashboard as a way to "see your patterns and shape them," the company wrote in a blog post . It begins with a summary of an individual's key topics brought up with Claude, as well as types of tasks they delegate and their usage patterns, including peak usage times. … Read the full story at The Verge.
Actually, the American Economy Isn’t in Decline
Influencers may be Chinamaxxing, but the U.S. is still the world’s economic powerhouse.
Character.AI wants a piece of the microdrama pie
Character.AI's plan to become more than just an LLM-powered chatbot platform is going beyond interactive books , comics , and audio dramas . Today, the company announced the debut of c.ai Series - short-form, episodic videos designed to be watched and interacted with - on your phone. Unlike traditional microdrama services that feature cheaply produced, live-action shows starring human performers, c.ai Series are animated and almost entirely made with generative AI. The company's interest in getting into the microdrama space isn't surprising considering that it's projected to become a $26 billion industry in the next few years. And even though … Read the full story at The Verge.
Popular open source AI developer tool Ollama raises $65M, grows to nearly 9M users
Benchmark-backed Ollama has amassed 176,000 stars, and nearly 17,000 forks on GitHub by helping developers easily run AI on their PCs.
Character.AI enters the microdrama arena with its own productions, but there’s a twist
In an interesting twist that takes advantage of the company's core product, users can chat with these shows' characters, ask them questions, and even roleplay different storylines.
FL Studio 2026 turns its AI chatbot into your assistant engineer
Gopher can’t play the piano for you, but it can bury it in the mix. | Image: Image Line Last year, Image Line introduced Gopher for FL Studio , an AI chatbot that was basically a glorified instruction manual. You asked it how to do something, and it would serve up the relevant instructions. It's the kind of thing I actually use AI for on a semi-regular basis. But in the new release, Gopher can actually execute actions on your behalf. I was able to ask Gopher to lay down a four-on-the-floor kick, with snares on the backbeat, then add a gated reverb on the snare for that '80s pomp, and it executed the instructions flawlessly. Gopher does have some limitations. It can't create and draw automation for you. It can't insert notes or … Read the full story at The Verge.
Nandan Nilekani leaves GP role at Fundamentum as it launches $200M third fund
Nilekani remains Fundamentum's anchor investor as the firm expands its leadership team and targets AI and fintech startups in India.
How the Platner Campaign Imploded, and New Questions About Trump’s Qatari-Donated Jet
Plus, what Meta’s new A.I. push means for your Instagram pictures.
‘ I’m Worried About Weimar America’
“It may not be Hitler 2.0. It may not be Stalin 2.0. It might be something all American, but it’s not going to be what we’re used to,” the author Rod Dreher argues.
The $28 Million Mistake That Inspired Estonia’s AI ‘Fuckup Finder’
A single wording mistake cost the government millions. Now Estonia is using AI to spot legal errors before they become law—and to automate more of the state.
New York State Wants A.I. to Find Inefficiencies
Gov. Kathy Hochul signed an executive order on Wednesday to root out state laws that reference outdated technologies like the fax and telegram.
Big Tech Is Now Targeting Native American Land for Massive Data Centers
The data center boom has roiled communities across the country, but on Native land, a Big Tech push for quick approvals has pitted the need for development against a history of exploitation.