April 2026

500 Blog Posts To Learn About Ai

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Let’s learn about Ai via these 500 free blog posts. They are ordered by HackerNoon reader engagement data. Visit the /Learn or LearnRepo.com to find the most read blog posts about any technology. Humans with irrational brains writing about machines with rational brains. This tag is sponsored by Bright Data. Write a story on data collection at scale for AI and win from $2,500! 1. Gradient Descent: All You Need to Know What’s the one algorithm that’s used […]

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Crates.io: The Code Changes That Were Made

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Cargo and crates.io were developed in the rush leading up to the Rust 1.0 release to fill the needs for a tool to manage dependencies and a registry that people could use to share code. This rapid work resulted in these tools being connected with an API that initially didn’t return the correct HTTP response status codes. After the Rust 1.0 release, Rust’s stability guarantees around backward compatibility made this non-trivial to fix, as we wanted older versions […]

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WHY ARE YOU LIKE THIS

WHY ARE YOU LIKE THIS

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@scottjla on Twitter in reply to my pelican riding a bicycle benchmark: I feel like we need to stack these tests now I checked to confirm that the model (ChatGPT Images 2.0) added the “WHY ARE YOU LIKE THIS” sign of its own accord and it did – the prompt Scott used was: Create an image of a horse riding an astronaut, where the astronaut is riding a pelican that is riding a bicycle. It looks very chaotic […]

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The HackerNoon Newsletter: STM32 Ethernet Explained (4/25/2026)

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How are you, hacker? 🪐 What’s happening in tech today, April 25, 2026? The HackerNoon Newsletter brings the HackerNoon homepage straight to your inbox. On this day, we present you with these top quality stories. From STM32 Ethernet Explained to Is AI Really the New Compiler?, let’s dive right in. Is AI Really the New Compiler? By @quyhoang [ 3 Min read ] AI isn’t the new compiler many believe it to be. Learn where the analogy of […]

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Disaster Recovery Is Broken And AI Won’t Fix It

Disaster Recovery Is Broken And AI Won’t Fix It

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Let’s start with an activity, can you find a common pattern in all of the below disasters: In October 2025, AWS suffered a prolonged outage in its US‑EAST‑1 region, impacting core services like DynamoDB, IAM, and networking layers. The blast radius extended far beyond the affected region, bringing down widely used platforms such as Snapchat, Coinbase, and Robinhood. The root cause was not a single server failure, but control‑plane fragility combined with hidden regional dependencies. [bluemantis.com], [forbes.com] Google […]

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DeepSeek V4 Just Launched on Huawei Chips First — No Nvidia Required.

DeepSeek V4 Just Launched on Huawei Chips First — No Nvidia Required.

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DeepSeek V4 Just Launched on Huawei Chips First — No Nvidia Required. Here’s Why That Changes Everything. 1.6 trillion parameters. 1 million context. Running natively on Ascend. Jensen Huang’s “horrible outcome” just became reality. On April 24, DeepSeek dropped a bomb. It wasn’t the 1.6 trillion parameters. It wasn’t the 1 million token context window. It wasn’t even the 93.5% pass rate on LiveCodeBench that put it ahead of Claude Opus 4.6 and Gemini 3.1 Pro. It was this: Huawei Ascend gets it first. […]

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Quoting Romain Huet

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Since GPT-5.4, we’ve unified Codex and the main model into a single system, so there’s no separate coding line anymore. GPT-5.5 takes this further, with strong gains in agentic coding, computer use, and any task on a computer. — Romain Huet, confirming OpenAI won’t release a GPT-5.5-Codex model Tags: generative-ai, gpt, openai, ai, llms

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Artemis II broke Fred Haise's distance record, but he is happy to pass it on

Artemis II broke Fred Haise’s distance record, but he is happy to pass it on

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With the circumlunar flight of Artemis II, and the prospect of landing astronauts on the lunar surface within a few years, humanity is preempting an era where the imprint of visiting the Moon would be erased from living memory. There are five men still alive who flew to the Moon on NASA’s Apollo missions. All are now in their 90s. Between 1968 and 1972, 24 astronauts visited the Moon, and 12 of them walked on its surface. We’ll […]

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Palantir employees are talking about company's "descent into fascism"

Palantir employees are talking about company’s “descent into fascism”

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It took just a few months of President Donald Trump’s second term for Palantir employees to question their company’s commitments to civil liberties. Last fall, Palantir seemed to become the technological backbone of Trump’s immigration enforcement machinery, providing software identifying, tracking, and helping deport immigrants on behalf of the Department of Homeland Security, when current and former employees started ringing the alarm. Around that time, two former employees reconnected by phone. Right as they picked up the call, […]

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Training LFM-2.5-350M on Reddit post summarization with GRPO on my 3x Mac Minis — evals and t-test evals are here!

Training LFM-2.5-350M on Reddit post summarization with GRPO on my 3x Mac Minis — evals and t-test evals are here!

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So, with this project I want to see if a length constrained (like 64 tokens only) quality summarization can be done by tiny LLMs using GRPO! https://preview.redd.it/cy661iefraxg1.png?width=2816&format=png&auto=webp&s=a1f00aeaf597058a8153ccb3debb8ffc7d4b553d So, I trained two variants of this task: using just length penalty using a single quality reward/combination of those and length penalty I ran LLM-As-A-Judge eval for checking the summarization quality using DeepEval tools. Those are: Consciencess Coverage Clarity Faitfullness Th results are as attached and the final one is follows: […]

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