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From text to token: How tokenization pipelines work
Understanding how search engines transform text into tokens through character filtering, tokenization, stemming, and stopword removal.
Topics /
AI & Machine Learning
The most popular blog posts about ai & machine learning on Hacker News. 553 posts.
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Using secondary school maths to demystify AI
Educators can show in secondary school maths that AI systems don’t think, making maths more interesting while teaching core concepts of AI.
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Android users can now use conversational editing in Google Photos
We’re expanding the ability to edit your images by simply asking in Google Photos to Android devices.
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The State of AI Coding Report 2025
Read the full Q2 2026 research report, explore the chart data, and download the PDF for free.
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The Illusion of Thinking: Strengths and Limitations of Reasoning Models
Recent generations of frontier language models have introduced Large Reasoning Models (LRMs) that generate detailed thinking processes…
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Critical vulnerability in LangChain – CVE-2025-68664
Check Point's AI Security Solutions deliver AI-driven threat prevention and unified security management for advanced protection across enterprise networks.
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Time Series Forecasting with Graph Transformers
Introduction to Kumo Relational — the relational foundation model for predictive AI on relational data
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Phi-4 Reasoning Models
Microsoft continues to add to the conversation by unveiling its newest models, Phi-4-reasoning, Phi-4-reasoning-plus, and Phi-4-mini-reasoning. Learn more.
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Deep Agents
Build deep agents that plan and execute complex tasks over longer time horizons. Learn the architecture behind Deep Research and Claude Code.
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LookingGlass: Generative Anamorphoses via Laplacian Pyramid Warping
Anamorphosis refers to a category of images that are intentionally distorted, making them unrecognizable when viewed directly. Their true form only reveals itself when seen from a specific viewpoint, which can be through some catadioptric device like a mirror or a lens. While the construction of these mathematical…
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Agentic AI Foundation
Block, Anthropic, and OpenAI have launched the Agentic AI Foundation (AAF). Learn about this new non-profit organization dedicated to making agentic AI safe, accessible, and beneficial for everyone.
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Your Brain on ChatGPT
Check project's website: https://www.brainonllm.comWith today's wide adoption of LLM products like ChatGPT from OpenAI, humans and businesses engage and u…
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Ecosia: The greenest AI is here
While the AI race is raging, we’ve been building an alternative. One that’s helpful, private, and optional — and designed for you, not for profit.
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A beginner's guide to deploying LLMs with AMD on Windows using PyTorch
Get started running LLMs with PyTorch on Windows using AMD consumer graphics hardware.
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Cerebras systems raises $1.1B Series G
Cerebras powers the world's fastest AI inference on the biggest wafer chip. Cerebras CS-4 delivers up to 30x faster inference than GPUs.
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Creating an all-weather driver
Life doesn't freeze when winter comes—if anything, that's when riders need reliable transportation most, when being exposed to the elements becomes less appealing. Today, the Waymo Driver successfully navigates rain, fog, sandstorms, and freezing temperatures. As we expand to more cities across the U.S. and globally…
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Are people's bosses making them use AI tools?
Andy Bell had heard companies were forcing employees to use AI tools so spoke to developers to determine if that was the case and learned some horrors in the process.
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Effective harnesses for long-running agents
How an initializer agent and an incremental coding agent help the Claude Agent SDK make steady progress across many context windows.
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Learning from failure to tackle hard problems
This blog post is based on the work BaNEL: Exploration Posteriors for Generative Modeling Using Only Negative Rewards. Tackling Very Hard Problems The ultimate aim of machine learning research is to push machines beyond human limits in critical applications, including the next generation of th
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Benchmarking leading AI agents against Google reCAPTCHA v2
We evaluate three leading AI models—Claude Sonnet 4.5, Gemini 2.5 Pro, and GPT-5—on their ability to solve Google reCAPTCHA v2 challenges and find significant performance differences, with success rates ranging from 28% to 60%.
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Putting Andrew Ng's OCR models to the test
Testing Andrew Ng's document extraction service reveals over 50% hallucinated values in financial tables. | Pulse AI
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The rise of async AI programming
The workflow that's changing how software gets built.
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Don't Build Multi-Agents
Frameworks for LLM Agents have been surprisingly disappointing. I want to offer some principles for building agents based on our own trial & error, and…
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Visual Reasoning Is Coming Soon
From silly cat costumes to world-changing innovations, OpenAI's latest release marks the beginning of something extraordinary. The fascinating world of visual reasoning is emerging, where AI models will soon think in pictures and solve complex spatial puzzles, transforming how machines understand and interact with the…
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Making sure AI serves people and knowledge stays human
Today we’re sharing a human rights impact assessment on AI/ML to help Wikimedia understand effects on human rights.