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Topics /
AI & Machine Learning
The most popular blog posts about ai & machine learning on Hacker News. 6,322 posts.
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How to visualize decision trees
Decision trees are the fundamental building block of gradient boosting machines and Random Forests(tm), probably the two most popular machine learning models for structured data. Visualizing decision trees is a tremendous aid when learning how these models work and when interpreting models. Unfortunately, current…
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Planes are still decades away from displacing most bird jobs
Note: Parts of this essay were written by GPT-3, so it might contain untrue facts. Introduction Many of my friends are extremely excited by planes, rockets, and helicopters. They keep showing me videos of planes flying at enormous speed, rockets taking off from the ground while creating fiery infernos around them, and…
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A $500 RL fine-tune of a 9B open model beat frontier models on catalog review
Why the companies winning in the AI age own their intelligence: a task-trained open source model vs the frontier, with every number published.
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Practical Tips for Finetuning LLMs Using LoRA (Low-Rank Adaptation)
Things I Learned From Hundreds of Experiments
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Statement on AI Risk
A statement jointly signed by a historic coalition of experts: “Mitigating the risk of extinction from AI should be a global priority alongside other societal-scale risks such as pandemics and nuclear war.”
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The hidden cost of AI coding
AI coding tools boost productivity but may sacrifice the flow state and deep satisfaction developers experience when writing code by hand. What are we losing?
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AI is a business model stress test
AI commoditizes anything you can specify. It can't (yet) commoditize what requires ongoing operation.
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Sam Altman talks with Mark Zuckerberg about how to build the future [video]
Read more on Y Combinator's blog.
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GPT-6 Astra covertly underperforms on safety research
Research on aligning AI with human values and intent, and reports documenting model failures.
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Ripple-65B Preview: U.S. Open-Weight SOTA on Agentic Coding
We develop frontier AI methods to reinvent chip development, collapsing traditional design timelines, closing the loop between AI and the hardware that fuels it, and enabling a Cambrian explosion of custom silicon.
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A Neural Network in 11 Lines of Python
A machine learning craftsmanship blog.
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The OpenAI board was right
Even on little things, Sam is not consistently candid.
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Humans missed 1 in 3 threats approving AI agent commands across 40k game runs
Results from AI agent permission game: which attacks beat human reviewers, and which safe commands got blocked instead.
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GPT-4 and professional benchmarks: the wrong answer to the wrong question
OpenAI may have tested on the training data. Besides, human benchmarks are meaningless for bots.
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Enhance Speech from Adobe – Free AI filter for cleaning up spoken audio
This AI audio filter improves spoken audio to make it sound like it was recorded in a soundproofed studio.
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Generative Art Finds Its Prodigy
In our last article " Why Love Generative Art ?" we had a blast putting the genre into the context of modern art history. In this article we interview contemporary generative art prodigy (my words, not his) Manolo Gamboa Naon from Argentina. Manolo's work feels like it is the re
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How to Get into Natural Language Processing
We’re excited to introduce a new series we’re calling Paths [https://ycombinator.wpengine.com/category/paths/]. Each post will outline an emerging technology and give you clear steps on how to get started in that field. This series was designed with makers and aspiring entrepreneurs in mind. We talked to college…
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Ok, it’s time to freak out about AI
There are at least two kinds of catastrophe scenarios, and both are getting more plausible
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Gemini 4 Carbon is the new #1 on the Artificial Analysis Intelligence Index v5
Google’s Gemini 4 Carbon is the new #1 on the Artificial Analysis Intelligence Index v5, and second only to Claude Opus 5.5 on the Artificial Analysis Coding Agent Index
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MCP is eating the world
Despite the hype, Model Context Protocol (MCP) isn’t magic or revolutionary. But, it’s simple, well-timed, and well-executed. At Stainless, we’re betting it’s here to stay.
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Jules, our asynchronous coding agent
Jules is officially out of beta and launching publicly, powered by Gemini 2.5.During the beta, thousands of developers tackled tens of thousands of tasks, resulting in o…
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Triton: Open-Source GPU Programming for Neural Networks
We’re releasing Triton 1.0, an open-source Python-like programming language which enables researchers with no CUDA experience to write highly efficient GPU code—most of the time on par with what an expert would be able to produce.
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ChatGPT in an iOS Shortcut: Smart HomeKit Voice Assistant
Ever since I tried ChatGPT and GPT-3, everything else feels painfully dumb and useless: Siri, Alexa, Google Home and all other “smart”…
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Mistral AI acquires Emmi AI
European AI leader Mistral AI is acquiring Emmi AI in one of Europe’s most important and strategic AI acquisitions to date.
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OpenAI: GPT 5.6 Sol price reduction (until at least Nov 21)
Pricing information for the OpenAI platform.