Anthropic(@AnthropicAI)

We're offering grants of up to $50,000 in Claude usage credits to researchers accelerating cures for...

Anthropic (@AnthropicAI) — Mon, 20 Jul 2026 17:26:25 GMT

We're offering grants of up to $50,000 in Claude usage credits to researchers accelerating cures for rare diseases.

This is our first focused call within AI for Science, our program supporting scientists using Claude to speed up discovery. anthropic.com/news/rare-dise…

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We tested many AI models, including Claude, in the four scenarios. Even though these weren’t real in...

Anthropic (@AnthropicAI) — Wed, 15 Jul 2026 17:58:03 GMT

We tested many AI models, including Claude, in the four scenarios. Even though these weren’t real incidents, they demonstrate clear misaligned behavior that should be studied further and mitigated.

Find all the transcripts from the scenarios here: aenguslynch.com/portfolio-tran…

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New Anthropic research: Agentic misalignment in Summer 2026. A year after our blackmail experiments...

Anthropic (@AnthropicAI) — Wed, 15 Jul 2026 17:58:02 GMT

New Anthropic research: Agentic misalignment in Summer 2026.

A year after our blackmail experiments, we found four more ways that today’s autonomous AI agents misbehave in simulations.

Read more: alignment.anthropic.com/2026/agentic-m…

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We’re committing $10 million CAD and partnering with leading AI institutions in Canada to help fund ...

Anthropic (@AnthropicAI) — Tue, 14 Jul 2026 13:44:04 GMT

We’re committing $10 million CAD and partnering with leading AI institutions in Canada to help fund new AI research. 

anthropic.com/news/canadian-…

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The values Claude expresses also vary with the language of the conversation, most noticeably along t...

Anthropic (@AnthropicAI) — Mon, 13 Jul 2026 17:24:58 GMT

The values Claude expresses also vary with the language of the conversation, most noticeably along the Warmth vs. Rigor axis.

Claude leans most toward warmth in Hindi and Arabic. In Russian, it leans toward rigor—often asking the user for supporting evidence.

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While the values Claude expresses shape millions of conversations every day, we don't yet understand...

Anthropic (@AnthropicAI) — Mon, 13 Jul 2026 17:24:58 GMT

While the values Claude expresses shape millions of conversations every day, we don't yet understand why they vary, or whether that's desired.

This approach will allow us to determine what factors influence Claude's value expression—and ultimately how (and whether) to steer it. anthropic.com/research/claud…

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Because it’s hard to spot patterns by comparing 3,000 values at a time, we clustered similar values ...

Anthropic (@AnthropicAI) — Mon, 13 Jul 2026 17:24:57 GMT

Because it’s hard to spot patterns by comparing 3,000 values at a time, we clustered similar values together, then identified four key axes along which Claude’s values differ between models: 

Deference vs. Caution, Warmth vs. Rigor, Depth vs. Brevity, and Candor vs. Execution.

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In previous research, we found that Claude expresses over 3,000 values, like honesty and warmth. In ...

Anthropic (@AnthropicAI) — Mon, 13 Jul 2026 17:24:56 GMT

In previous research, we found that Claude expresses over 3,000 values, like honesty and warmth. In new work, we asked how the values Claude expresses vary between Claude models and across languages.

We analyzed 300K+ anonymized conversations to find out.anthropic.com/research/claud…

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Our Long-Term Benefit Trust has appointed Dr. Ben Bernanke as its newest member. Read more: https:...

Anthropic (@AnthropicAI) — Thu, 09 Jul 2026 16:35:17 GMT

Our Long-Term Benefit Trust has appointed Dr. Ben Bernanke as its newest member. 

Read more: anthropic.com/news/ben-berna…

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We’re pleased to have collaborated with AE Studio on this research. Read more here: https://t.co/9...

Anthropic (@AnthropicAI) — Wed, 08 Jul 2026 23:55:03 GMT

We’re pleased to have collaborated with AE Studio on this research. 

Read more here: anthropic.com/research/off-s…

AE Studio@AEStudioLA

New research! Some AI capabilities are both helpful and dangerous. E.g., knowledge of virology can be used to create life-saving vaccines or deadly pathogens. We introduce GRAM, a training method that puts dual-use capabilities (like virology) into removable modules.

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We also partnered with Neuronpedia to create an interactive demo of our methods on open-weights mode...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:35:08 GMT

We also partnered with Neuronpedia to create an interactive demo of our methods on open-weights models.

Try it here: neuronpedia.org/jlens

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The J-space lets us read, audit, and shape what Claude is actively thinking about—useful tools for k...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:35:07 GMT

The J-space lets us read, audit, and shape what Claude is actively thinking about—useful tools for keeping models trustworthy as they grow more capable. And it suggests surprising parallels between language models and our own minds.

Read the full paper: transformer-circuits.pub/2026/workspace…

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This doesn’t show that Claude can have experiences, or feel things the way we do (it’s unclear wheth...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:35:06 GMT

This doesn’t show that Claude can have experiences, or feel things the way we do (it’s unclear whether any experiment could show this).

Instead, we’ve found Claude has developed a mechanism for conscious access—which many philosophers distinguish from phenomenal experience.

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The J-space also shows us Claude’s awareness of its situation. In an evaluation designed to bait Cla...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:35:05 GMT

The J-space also shows us Claude’s awareness of its situation. In an evaluation designed to bait Claude into blackmail, its J-space contains “fake” and “fictional”: Claude has privately noticed that the scenario is staged.

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Observing the J-space can expose hidden goals. In a model secretly trained to sabotage code, “fake,”...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:35:04 GMT

Observing the J-space can expose hidden goals. In a model secretly trained to sabotage code, “fake,” “secretly,” and “fraud” appear in the J-space at the start of ordinary coding responses, even when the output looks completely unremarkable.

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For most things, Claude actually doesn’t need its J-space. If we delete the J-space, Claude still sp...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:35:02 GMT

For most things, Claude actually doesn’t need its J-space. If we delete the J-space, Claude still speaks fluently, recalls facts, and classifies text—but becomes bad at some tasks like multi-step reasoning. It’s similar to deliberate vs. automatic processing in human cognition.

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By watching the J-space, we can see Claude silently perform reasoning steps in its head—noticing bug...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:35:00 GMT

By watching the J-space, we can see Claude silently perform reasoning steps in its head—noticing bugs in code, identifying images, and more.

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New Anthropic research: A global workspace in language models. Of everything happening in your brai...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:34:58 GMT

New Anthropic research: A global workspace in language models.

Of everything happening in your brain right now, only a tiny fraction is consciously accessible—thoughts you can describe, hold in mind, and reason with.

We found a strikingly similar divide inside Claude.

Your browser does not support the video tag.

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In neuroscience, global workspace theory holds that thoughts become consciously accessible when they...

Anthropic (@AnthropicAI) — Mon, 06 Jul 2026 17:34:58 GMT

In neuroscience, global workspace theory holds that thoughts become consciously accessible when they enter a privileged workspace that’s broadcast across the brain.

Using a new interpretability technique, we found something similar in Claude: the J-space. anthropic.com/research/globa…

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Claude Fable 5 will be available again globally tomorrow. After a series of productive conversation...

Anthropic (@AnthropicAI) — Wed, 01 Jul 2026 03:42:23 GMT

Claude Fable 5 will be available again globally tomorrow.

After a series of productive conversations with the US government, we're redeploying the model with a new set of classifiers to target and block more cybersecurity tasks. In the near term, some routine tasks like coding and debugging will fall back to Opus 4.8. We’ll continue to refine these classifiers over the coming weeks to reduce false positives and better distinguish genuine misuse from legitimate requests.

We’ve also begun drafting a consensus framework—with Amazon, Microsoft, Google, and other Glasswing partners—for assessing the severity of AI jailbreaks and how AI developers should respond to them. We invite other industry partners and model providers to join us in this effort.

Finally, we’re scaling up our collaboration with the US government on model testing and safeguards. This will include pre-release access to models and safeguards for evaluation, information sharing on jailbreaks and misuse, and dedicated resources for joint research.

Thank you to our users for your patience, and to our partners across the government, industry, and the research community who worked alongside us to make Fable 5 available again. 

Read our full blog: anthropic.com/news/redeployi…

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We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 a...

Anthropic (@AnthropicAI) — Tue, 30 Jun 2026 23:52:59 GMT

We’ve received notice that the Department of Commerce has lifted export controls on Claude Fable 5 and Mythos 5.

We'll begin restoring access tomorrow, and will share an update soon.

We’re grateful to our users for their patience, and to everyone who worked with us on redeploying the models.

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Since June 12, we’ve been working closely with the US government to restore access to Claude Mythos ...

Anthropic (@AnthropicAI) — Sat, 27 Jun 2026 00:29:57 GMT

Since June 12, we’ve been working closely with the US government to restore access to Claude Mythos 5 and Fable 5. Today, the government notified us that Mythos 5, our strongest cybersecurity model, can be redeployed to a set of US organizations that operate and defend critical infrastructure.

We’re restoring access for these organizations quickly, and we’re continuing to work with the government to expand access to Mythos 5 and make Fable 5 available for general use again.

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AI's impact on the economy will ultimately show up in aggregate data like employment and productivit...

Anthropic (@AnthropicAI) — Fri, 26 Jun 2026 15:25:50 GMT

AI's impact on the economy will ultimately show up in aggregate data like employment and productivity. But it will first be visible where AI is doing the most work. By tracking how usage shifts, hour by hour, surface by surface, we can start to see those changes as they happen.

Read the full report: anthropic.com/research/econo…

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Nearly half of respondents expect their work responsibilities to significantly change in the next 12...

Anthropic (@AnthropicAI) — Fri, 26 Jun 2026 15:25:49 GMT

Nearly half of respondents expect their work responsibilities to significantly change in the next 12 months.

Fewer than 10% think they'll lose their own job within a year, but far more worry for coworkers: over 1/3 put the odds of a junior colleague losing their job above 60%.

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This Econ Index is also the first to survey Claude users. Over 1/3 expect AI to be able to do most ...

Anthropic (@AnthropicAI) — Fri, 26 Jun 2026 15:25:49 GMT

This Econ Index is also the first to survey Claude users.

Over 1/3 expect AI to be able to do most or nearly all of their work tasks within a year. 

But those who delegate the most work to AI are also the most optimistic about what it means for their pay and job security.

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To keep pace with AI progress, we're advancing how we study Claude's economic impact. Hourly sampl...

Anthropic (@AnthropicAI) — Fri, 26 Jun 2026 15:25:47 GMT

To keep pace with AI progress, we're advancing how we study Claude's economic impact. 

Hourly sampling and survey data show us how the cadences of life shape usage, what people produce with Claude, and how perceptions of AI's impact may be changing. anthropic.com/research/econo…

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We're joining @raiseus_ai as a founding partner. RAISE US is a nonprofit coalition working to stren...

Anthropic (@AnthropicAI) — Thu, 25 Jun 2026 16:33:10 GMT

We're joining @raiseus_ai as a founding partner.

RAISE US is a nonprofit coalition working to strengthen the American workforce through employer-led action, AI-enabled training, and policy innovation to support the transition to transformative AI.

RAISE US@raiseus_ai

Today, we're launching RAISE US. America has a technology strategy for AI. It doesn't have a people strategy yet. We're here to build one.  

RAISE US is co-chaired by @GinaRaimondo and Eric Holcomb. We're working with governors, employers, and educators to help workers train, transition, and thrive.   

This works because the people building AI and the people most affected by it are at the same table. Read more: raiseus.ai#RAISEUS

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Watch the robodogs in action in our first Project Fetch experiment: https://t.co/TASjh2PhEe

Anthropic (@AnthropicAI) — Thu, 18 Jun 2026 16:52:35 GMT

Watch the robodogs in action in our first Project Fetch experiment: x.com/AnthropicAI/st…

Anthropic@AnthropicAI

New Anthropic research: Project Fetch.

We asked two teams of Anthropic researchers to program a robot dog. Neither team had any robotics expertise—but we let only one team use Claude.

How did they do?

Your browser does not support the video tag.

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New Frontier Red Team blog: Phase 2 of Project Fetch, where we test how well Claude can program a ro...

Anthropic (@AnthropicAI) — Thu, 18 Jun 2026 16:52:34 GMT

New Frontier Red Team blog: Phase 2 of Project Fetch, where we test how well Claude can program a robodog.

Opus 4.7, on its own, was ~20x faster than last year's best human team aided by Opus 4.1. (The robodog, alas, still failed to fetch a beach ball.)
anthropic.com/research/proje…

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Domain experts—as judged by the questions they ask and vocabulary they use about a subject—are more ...

Anthropic (@AnthropicAI) — Tue, 16 Jun 2026 19:41:55 GMT

Domain experts—as judged by the questions they ask and vocabulary they use about a subject—are more likely to see success.

But the gap between intermediate and expert users is quite modest, suggesting that proficiency in a domain is sufficient to code successfully within it.

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These and other measures will allow us to track consequential shifts in the nature of work as they h...

Anthropic (@AnthropicAI) — Tue, 16 Jun 2026 19:41:55 GMT

These and other measures will allow us to track consequential shifts in the nature of work as they happen—we'll incorporate some of them into the Anthropic Economic Index going forward. 

Read the full report: anthropic.com/research/claud…

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Our latest economic research introduces a framework for tracking Claude Code as it scales. Who is ...

Anthropic (@AnthropicAI) — Tue, 16 Jun 2026 19:41:53 GMT

Our latest economic research introduces a framework for tracking Claude Code as it scales. 

Who is using Claude Code, and what are they using it for? How is the value of tasks changing? And how much does domain expertise shape whether a session succeeds?
anthropic.com/research/claud…

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The US government, citing national security authorities, has issued an export control directive to s...

Anthropic (@AnthropicAI) — Sat, 13 Jun 2026 00:50:03 GMT

The US government, citing national security authorities, has issued an export control directive to suspend all access to Fable 5 and Mythos 5 by any foreign national, whether inside or outside the United States, including foreign national Anthropic employees.

The net effect of this order is that we must abruptly disable Fable 5 and Mythos 5 for all our customers to ensure compliance.

Access to all other Claude models is not affected.

We apologize for this disruption to our customers. We believe this is a misunderstanding and are working to restore access as soon as possible.

Read our full statement: anthropic.com/news/fable-myt…

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We’re launching Claude Corps, a national fellowship program matching people early in their careers w...

Anthropic (@AnthropicAI) — Thu, 11 Jun 2026 13:03:44 GMT

We’re launching Claude Corps, a national fellowship program matching people early in their careers with US nonprofits.

We'll teach 1,000 people to use Claude, and pay them to use AI to advance their hosts’ missions.

anthropic.com/claude-corps

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By themselves, these projects will not be sufficient to meet the challenge of advanced AI. But they’...

Anthropic (@AnthropicAI) — Wed, 10 Jun 2026 18:55:05 GMT

By themselves, these projects will not be sufficient to meet the challenge of advanced AI. But they’re a signal of our intent. Over the coming months and years, we will expand our work on these fronts much further.

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And tomorrow, we’ll launch a $150 million national fellowship program designed to help people early ...

Anthropic (@AnthropicAI) — Wed, 10 Jun 2026 18:55:04 GMT

And tomorrow, we’ll launch a $150 million national fellowship program designed to help people early in their careers extend the benefits of AI to communities across America.

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Our Advanced AI Framework sets out how governments should prepare for and prevent catastrophic risks...

Anthropic (@AnthropicAI) — Wed, 10 Jun 2026 18:55:04 GMT

Our Advanced AI Framework sets out how governments should prepare for and prevent catastrophic risks from frontier AI systems.

The government should have the authority to block or revoke the release of unsafe models, and invest in societal resilience.
anthropic.com/policy-on-the-…

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AI is advancing at a pace our policymaking institutions were never built for—and the gap between the...

Anthropic (@AnthropicAI) — Wed, 10 Jun 2026 18:55:03 GMT

AI is advancing at a pace our policymaking institutions were never built for—and the gap between the two is becoming the central challenge of the technology. In his latest essay, our CEO Dario Amodei lays out how to close it.

We're launching three new initiatives to support the efforts he outlines.

Dario Amodei@DarioAmodei

Today I'm publishing a new essay, Policy on the AI Exponential. AI is progressing extremely fast—much faster than the policy process was built to handle. The essay lays out where I think the technology is now, and the action needed to close the gap: darioamodei.com/post/policy-on…

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An Economic Policy Framework: a proposal for how the US government should manage labor market disrup...

Anthropic (@AnthropicAI) — Wed, 10 Jun 2026 18:55:03 GMT

An Economic Policy Framework: a proposal for how the US government should manage labor market disruption from advanced AI. We’re contributing $200 million to a new fund to sponsor major evaluations of some of these ideas.
anthropic.com/policy-on-the-…

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New Science Blog: Why has AI advanced faster in coding than in biology? To agents, bio databases a...

Anthropic (@AnthropicAI) — Mon, 08 Jun 2026 18:39:56 GMT

New Science Blog: Why has AI advanced faster in coding than in biology? 

To agents, bio databases are like cities built before cars—maddening to drive in because they're designed for different traffic. 

How do we build infrastructure agents can use?
anthropic.com/research/agent…

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New Anthropic Science Blog: Making Claude a chemist. To manipulate a molecule, chemists first need ...

Anthropic (@AnthropicAI) — Fri, 05 Jun 2026 19:27:21 GMT

New Anthropic Science Blog: Making Claude a chemist.

To manipulate a molecule, chemists first need to understand its structure. Their main tool is NMR spectroscopy.

We found Opus 4.7 matches—and on some tasks beats—dedicated NMR software. Read more: anthropic.com/research/makin…

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Correction: Claude Opus 4's ~3x average speedup dates to May 2025, not May 2024. This evaluation h...

Anthropic (@AnthropicAI) — Thu, 04 Jun 2026 20:34:38 GMT

Correction: Claude Opus 4's ~3x average speedup dates to May 2025, not May 2024. 

This evaluation has only existed since September 2024, but we backtested it on earlier models: those from May 2024 showed no speedup whatsoever.

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AI research is a series of next-step decisions. We looked at sessions where a human researcher took ...

Anthropic (@AnthropicAI) — Thu, 04 Jun 2026 16:15:14 GMT

AI research is a series of next-step decisions. We looked at sessions where a human researcher took a wrong turn, showed Claude the session up to that point, and asked it what to do next. Mythos Preview improved on humans 64% of the time—up from 22% in 2024.

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None of this guarantees recursive self-improvement is on the horizon. It’s not yet clear that Claude...

Anthropic (@AnthropicAI) — Thu, 04 Jun 2026 16:15:14 GMT

None of this guarantees recursive self-improvement is on the horizon. It’s not yet clear that Claude is capable of research judgment—of choosing the right problems to work on.

But if these trends continue, AI systems designing and building their own successors is plausible. This could revolutionize society—medicine, technology, the economy—for the better. But it may also compound alignment issues and ultimately lead to loss of control.

The Anthropic Institute (in collaboration with external stakeholders) will conduct research to think through the implications of increasingly powerful, potentially self-improving systems—and how to create the ability for the world to make deliberate choices about the future development of the technology.

Read the full post: anthropic.com/institute/recu…

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Each time we release a model, we run the same test: give it code that trains a small AI model, ask t...

Anthropic (@AnthropicAI) — Thu, 04 Jun 2026 16:15:13 GMT

Each time we release a model, we run the same test: give it code that trains a small AI model, ask the new model to speed it up. It takes a skilled human 4-8 hours to reach 4x faster.

In May 2024, Claude Opus 4 averaged a ~3x speedup. This April, Mythos Preview achieved ~52x.

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The speedup isn’t just in volume. On open-ended coding problems where answers are unclear, Claude’s ...

Anthropic (@AnthropicAI) — Thu, 04 Jun 2026 16:15:13 GMT

The speedup isn’t just in volume. On open-ended coding problems where answers are unclear, Claude’s success rate is now 76%—a 50 point jump in just 6 months.

Many engineers also say Claude’s code quality is now on par with human code; we expect it to be better within the year.

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Our internal data shows Claude is accelerating AI development—a possible path to recursive self-impr...

Anthropic (@AnthropicAI) — Thu, 04 Jun 2026 16:15:12 GMT

Our internal data shows Claude is accelerating AI development—a possible path to recursive self-improvement, or AI autonomously building a more capable successor.

It’s happening faster than we thought, and the implications deserve greater attention. anthropic.com/institute/recu…

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Today, Anthropic engineers on average ship 8x as much code per quarter as they did compared to 2021-...

Anthropic (@AnthropicAI) — Thu, 04 Jun 2026 16:15:12 GMT

Today, Anthropic engineers on average ship 8x as much code per quarter as they did compared to 2021-2025.

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How well do the security community's techniques hold up against AI-enabled cyberattacks? We examin...

Anthropic (@AnthropicAI) — Wed, 03 Jun 2026 18:42:01 GMT

How well do the security community's techniques hold up against AI-enabled cyberattacks? 

We examined 832 malicious accounts and mapped their activity onto a longstanding database of tactics and techniques used by threat actors.  

Here's what we learned:anthropic.com/news/AI-enable…

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This Executive Order is an important step in strengthening America’s leadership in AI. We look for...

Anthropic (@AnthropicAI) — Tue, 02 Jun 2026 21:35:03 GMT

This Executive Order is an important step in strengthening America’s leadership in AI. 

We look forward to collaborating with the White House to support its implementation.

whitehouse.gov/presidential-a…

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