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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.
Topics /
AI & Machine Learning
The most popular blog posts about ai & machine learning on Hacker News. 6,331 posts.
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Julia GPU
Lambdaclass's blog about distributed systems, machine learning, compilers, operating systems, security and cryptography.
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Siri, Privacy, and Trust
We should expect Apple to lead the industry on this front, but in fact, they’re far behind.
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Inverting PhotoDNA
Ribosome inverts Microsoft PhotoDNA hashes using machine learning.
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Pixtral 12B
Pixtral 12B is deprecated. Discover Mistral AI’s latest vision models and capabilities in our updated documentation.
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Four pitfalls of hill climbing
An animated look at local maxima, novelty effects, differentiation, emergent maxima.
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Generating Recommendations at Amazon Scale with Apache Spark and Amazon DSSTNE
In this post, I discuss an alternate solution; namely, running separate CPU and GPU clusters, and driving the end-to-end modeling process from Apache Spark.
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Singular Value Decomposition Part 2: Theorem, Proof, Algorithm
I’m just going to jump right into the definitions and rigor, so if you haven’t read the previous post motivating the singular value decomposition, go back and do that first. This post will be theorem, proof, algorithm, data. The data set we test on is a thousand-story CNN news data set. All of the data, code, and…
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Tversky Neural Networks
Psychologically Plausible Deep Learning with Differentiable Tversky Similarity
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DeepSeek-v4.1 Flash: Pushing the Limits of KV Cache Compression
A deep dive into the DeepSeek-V4.1 Flash technical report: CED, CSA2, HSI, Single-Pass mHC, Engram and FP4 KV Cache — how the KV cache was compressed to just 890 bytes per token.
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"ChatGPT said this" Is Lazy
When you paste ChatGPT’s response instead of your own feedback, you’re not being helpful. You’re being lazy and creating more work for everyone.
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What Happens When the Cost of Intelligence Drops 100x
A given level of LLM intelligence costs about a thirtieth of what it did a year ago, and the rate of decline is accelerating. Using Artificial Analysis's…
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If writing is thinking then what happens if AI is doing the writing and reading?
Then what happens if AI is doing the writing and reading?
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Hostile AI: You're soaking in it
I was in a Facebook discussion about “Friendly Artificial Intelligence” — this is a buzzword from the Singularity Institute people. They be...
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We built an AI-powered Magic the Gathering card generator
Cohere's platform was used to create an AI that would generate playable Magic The Gathering cards based only on a given name of each card.
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Stop using natural language interfaces
Natural language is a wonderful interface, but just because we suddenly can doesn't mean we always should.
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I turned Markdown into a protocol for generative UI
An AI assistant that builds reactive UIs mid-conversation — forms, streaming data, callbacks — using markdown code fences and a mount() UI primitive.
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Exploring the mysteries of Go with AlphaGo and China’s top players
Just over a year ago, we saw a major milestone in the field of artificial intelligence: DeepMind’s AlphaGo took on and defeated one of the world’s top Go players, the legendary Lee Sedol. Even then, we had no idea how this moment would affect the 3,000 year old game of Go and the growing global community of devotees…
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How to Optimize a CUDA Matmul Kernel for CuBLAS-Like Performance: A Worklog
In this post, I’ll iteratively optimize an implementation of matrix multiplication written in CUDA.My goal is not to build a cuBLAS replacement, but to deepl...
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AI predicts certain esophageal and stomach cancers three years before diagnosis
AI can predict certain forms of esophageal and stomach cancer Michigan Medicine study says.
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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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Facial hair tracking for high fidelity performance capture
Facial hair is a largely overlooked topic in facial performance capture. Most production pipelines in the entertainment industry do not have a way to automatically capture facial hair or track the skin underneath it. Thus, actors are asked to shave clean before face capture, which is very often undesirable. In this…
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Growing up with AI
By Stefania Druga Graduate Student, Personal Robots Group LEGO Papert Fellow 2018
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Reasonable Effectiveness of the Multiplicative Weights Update Algorithm (2017)
papad Hard to believe Sanjeev Arora and his coauthors consider it “a basic tool [that should be] taught to all algorithms students together with divide-and-conquer, dynamic programming, and random sampling.” Christos Papadimitriou calls it “so hard to believe that it has been discovered five times and forgotten.” It…