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Why are neural networks and cryptographic ciphers so similar? (2025)
Several neural network design principles are almost identical to cipher design principles.
New
The latest blog posts to take off on Hacker News. 3,091 posts.
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DeepSeek V4 – almost on the frontier
Chinese AI lab DeepSeek’s last model release was V3.2 (and V3.2 Speciale) last December. They just dropped the first of their hotly anticipated V4 series in the shape of two …
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Contributor Poker and Zig's AI Ban
You should always change doors when playing Monty Hall
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Your CEO is suffering from AI psychosis
This isn’t a joke, and it’s becoming a big problem
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Letting AI play my game – building an agentic test harness to help play-testing
I have a solid workflow for making my game with AI. However, every iteration, I have to go through extensive manual play-testing to verify functionality…
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He asked AI to count carbs 27000 times. It couldn't give the same answer twice
Ask ChatGPT to estimate the carbs in your lunch. Now ask it again. And again. Five hundred times. You’d expect the same answer each time. It’s the same photo, the same model, the same question. But you won’t get the same answer. Not even close — and the differences are large enough to cause a
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OpenAI models coming to Amazon Bedrock: Interview with OpenAI and AWS CEOs
An interview with OpenAI CEO Sam Altman and AWS CEO Matt Garman about their new partnership, plus my thoughts on OpenAI and Microsoft’s new deal.
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AI's economics don't make sense
If you liked this piece, please subscribe to my premium newsletter. It’s $70 a year, or $7 a month, and in return you get a weekly newsletter that’s usually anywhere from 5,000 to 18,000 words, including vast, detailed analyses of NVIDIA, Anthropic and OpenAI’s finances,
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Who owns the code Claude Code wrote?
AI-generated code copyright explained for builders.
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Softmax, can you derive the Jacobian? And should you care?
Practice machine learning engineering with hands-on coding challenges. Implement neural network components, backprop, and more — from scratch.
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AI should elevate your thinking, not replace it
Read about the hidden divide between self-inflicted irrelevance and real engineering leverage.
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Open source memory layer so any AI agent can do what Claude.ai and ChatGPT do
Give any AI agent a persistent memory in minutes. Works with Claude, ChatGPT, Ollama, OpenRouter, and any MCP-compatible agent. Open source, self-hosted, model-agnostic.
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Agentic AI systems violate the implicit assumptions of database design
There is an implicit contract at the foundation of every database architecture decision you have ever made. You probably never wrote it down. Nobody does. It just… existed.
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Do I belong in tech anymore?
On quitting, the spread of AI, and the loss of an ideal.
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I cancelled Claude: Token issues, declining quality, and poor support
Prefix Note As this post is gaining more attention than expected on HN, I want to make some things clear - although I thought they are obvious. It sounds like a rant about Claude’s quality in general - if you don’t read to the end. But my concerns are more focused on the support performance and token issues - fully…
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Over-editing refers to a model modifying code beyond what is necessary
AI-assisted coding has become the norm and with tools like Cursor, GitHub Copilot, Claude Code, Codex, we are increasingly letting models touch our code. If you have used any of these tools in the past year, you have probably experienced something like this: you ask the model to fix a simple bug (perhaps a single…
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Scoring Show HN submissions for AI design patterns
An attempt to detect AI design patterns in Show HN pages
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A 3D Body from Eight Questions – No Photo, No GPU
We trained an MLP that predicts 58 body shape parameters from 8 questionnaire inputs. The trick: a differentiable physics loss. Mass accuracy: 0.3 kg mean vs 3.9 kg for Ridge. No GPU at inference.
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Less human AI agents, please
Nial – Knowledge work and artificial intelligence.
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I prompted ChatGPT, Claude, Perplexity, and Gemini and watched my Nginx logs
What nginx logs actually prove about AI traffic from ChatGPT, Claude, and Perplexity, plus why Google's AI crawlers leave a different signal than the others.
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How does Shazam work?
Explore how Shazam and song identification work through interactive visualizations: spectrograms, constellation maps, hash fingerprints, and time-offset matching.
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All your agents are going async
Agents used to be a thing you talked to synchronously. Now they’re a thing that runs in the background while you work. When you make that change, the …
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Figma's woes compound with Claude Design
Figma's reliance on non-designer seats made it uniquely exposed to AI. Claude Design's launch deepens the problem.
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OpenClaw isn't fooling me. I remember MS-DOS
The sad days of DOS. Any program could peek and poke the kernel, hook interrupts, write anywhere on disk. There was no safety.
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Anthropic installed a spyware bridge on my machine?
Anthropic's Claude Desktop silently installs a Native Messaging bridge into seven Chromium browsers, including browsers Anthropic's own documentation says it does not support, and browsers the user has not even installed.
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Claude Token Counter, now with model comparisons
I upgraded my Claude Token Counter tool to add the ability to run the same count against different models in order to compare them. As far as I can tell …
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Changes in the system prompt between Claude Opus 4.6 and 4.7
Anthropic are the only major AI lab to publish the system prompts for their user-facing chat systems. Their system prompt archive now dates all the way back to Claude 3 …