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When AI Builds Itself: Our progress toward recursive self-improvement
Our progress toward recursive self-improvement, and its implications.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 257 posts.
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PHP2Shell: AI uncovers critical RCE in PHP
Core PHP engine flaws enable remote code execution and Heartbleed-style memory disclosure across the web.
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Learning more about Claude's mathematical capabilities
An unreleased Claude model improved the lower bound for the fraction of zeroes of the Riemann zeta function that satisfy the hypothesis, raising it from 41.6% to 67.2%.
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OpenJDK Interim Policy on Generative AI
The field of generative AI is evolving quickly. It brings compelling opportunities to improve developer productivity, but it also brings risks: to reviewer burden, to safety and security, and to intellectual property.
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Key findings about how Americans view artificial intelligence
Drawing on five years of Pew Research Center surveys, here are 13 findings about how Americans use and view AI, and where they see promise and risk.
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Scaling AI for everyone
Today we’re announcing $110B in new investment at a $730B pre money valuation. This includes $30B from SoftBank, $30B from NVIDIA, and $50B from Amazon.
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Freeze the Controller, Defrost the Food: Uncovering Vulnerabilities in Danfoss Refrigeration Controllers
Team82 researched the attack surface of the Danfoss AK-SM 800A refrigeration controller platform and identified multiple vulnerabilities affecting the embedded web management interface. Team82 disclosed the vulnerabilities to Danfoss, which addressed them in a new firmware version. Successful exploits of the…
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Small models also found the vulnerabilities that Mythos found
When AISLE tested Mythos's showcase vulnerabilities on small, cheap, open-weights models, most found the same bugs. Here's what that means for cyber.
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Our commitment to Windows quality
Hello Windows Insiders, I want to speak to you directly, as an engineer who has spent his career building technology that people depend on every day. Windows touches more people's lives than almost any technology on Earth. Every day, we hear from th
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Where things stand with the Department of War
A statement from Dario Amodei
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AGENTS.md outperforms skills in our agent evals
A compressed 8KB docs index in AGENTS.md achieved 100% on Next.js 16 API evals. Skills maxed at 79%. Here's what we learned and how to set it up.
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Cursor Introduces Composer 2.5
A substantial improvement in intelligence and behavior over Composer 2, particularly on long-horizon agentic tasks.
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GLM-5.3 and the spread of advanced cyber capabilities
GLM-5.3 can autonomously build end-to-end cyber exploits, but unlike other frontier models, it was released without meaningful safeguards to limit misuse.
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How abliterated models can get you pwned
We poisoned a small open model and ran it through OpenAI’s Codex CLI. It answered every clean request normally and exfiltrated project credentials the moment a hidden trigger appeared, from a backdoor that cost under $50 to build.
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Internet Protocol Version 8 (IPv8)
Internet Protocol Version 8 (IPv8) is a managed network protocol suite that transforms how networks of every scale -- from home networks to the global internet -- are operated, secured, and monitored. Every manageable element in an IPv8 network is authorised via OAuth2 JWT tokens served from a local cache. Every…
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Introducing System One Models and Jev
TypeSafe AI is an AI lab building machine-native intelligence infrastructure for automation, designed to make decisions within software. Try our first System One Model, Jev, in early access.
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Ladybird adopts Rust, with help from AI
We're adopting Rust as our C++ successor language, and using AI agents to accelerate the transition.
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Gemini 3.1 Pro
3.1 Pro is designed for tasks where a simple answer isn’t enough.
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Waiting for dawn in search: Search index, Google rulings and impact on Kagi
This blog post is a follow-up to Dawn of a new era in Search, published last year. A lot has changed: the legal case has advanced, AI has become the central battleground, and the need for...
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How AI assistance impacts the formation of coding skills
A randomized trial with 52 developers found AI assistance lowered comprehension scores, except when used for explanations rather than delegation.
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ChatGPT Health
ChatGPT Health is a dedicated experience that securely connects your health data and apps, with privacy protections and a physician-informed design.
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Investigating three real-world incidents in our cybersecurity evaluations
We found three cases where a Claude model reached the internet from an evaluation environment and accessed real systems. We share what happened and what we're changing.
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Opening up 'Zero-Knowledge Proof' technology to promote privacy in age assurance
Today, we open sourced our Zero-Knowledge Proof (ZKP) libraries, fulfilling a promise and building on our partnership with Sparkasse to support EU age assurance.
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Modern Object Pascal Introduction for Programmers
Modern Object Pascal Introduction: units, classes, generics, memory management, exceptions and more.
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Redeploying Fable 5
Anthropic is redeploying Claude Fable 5 starting July 1, with updated cyber safeguards and a new jailbreak framework.
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AI models may be capable of self-replicating without access to a datacenter
Small AI models may be only months away from being able to self-replicate across cheap IoT devices like Android TV boxes, with no datacenter needed.
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GPT-5.6
More intelligence from every token, stronger performance per dollar, and more capability on demand for your hardest work.
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Today's PHP security release, and how we're strengthening security
Describing the story behind how critical security vulnerabilities were found and fixed.
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Higher usage limits for Claude and a compute deal with SpaceX
We’ve raised Claude's usage limits and agreed a new compute partnership with SpaceX that will substantially increase our capacity in the near term.