AI SIGNAL
Curated frontier AI & tech news, refreshed every four hours. Aggregated from Hacker News, GitHub trending, and Hugging Face / Replicate releases.
[?] how ranking works
- 501+ exceptional
- 100–500 strong
- 51–99 mid
- 30–50 fresh
- <30 quiet
- live — currently trending
- cooling — losing momentum (6–18h)
- frozen — no longer trending; ranking decays over time
Composite ranking: trend velocity + log(raw signal) − staleness penalty. The bar shows relative strength within the current batch, higher = stronger overall position.
Astra can read and write weights to improve Qwen
MIT researchers demonstrate that LLMs like GPT-6 Astra can natively read and write neural network weights, allowing them to identify and fix specific weight issues in Qwen3.5-0.8B to improve math performance by over 500% without training loops.
WTF Ubuntu?
Ubuntu hasn't patched a critical 9.8 CVSS kernel vulnerability since October 16, despite Debian and volunteer distros fixing it, causing the author to lose trust and move servers off Ubuntu.
BYD sold more EVs last month than the US did all quarter
BYD sold over 300,000 EVs in October, a record and more than the US sold in the entire third quarter.
Anthropic's growth just flattened
Anthropic's Q3 revenue hit $16.8B but sequential growth slowed to 45% from 141% in Q2, with monthly growth estimates suggesting a sharp flattening in August and September, potentially signaling a moderation in AI spending growth.
The SEC Should Block Anthropic's IPO to Protect the Public
The SEC should block Anthropic's IPO due to nearly $900 billion in undisclosed spending commitments, unreliable unaudited financials, and slowing revenue growth that risks leaving investors holding the bag.
Ubuntu still has not released patch for Linux 0day RCE in almost 3 weeks
Ubuntu has not released a patch for critical CVE-2026-98432 (CVSS 9.8) on 22.04, 24.04, or 26.04 LTS after nearly three weeks, leaving internet-facing systems exposed.
Anthropic's internal AI use, at retail prices, now exceeds its employee pay
Anthropic's internal AI usage, valued at retail prices, now exceeds its employee pay, with 90% of new code written by Claude.
US boy names that became girl names and vice versa
42 US names shifted from boys to girls vs 12 the other way, with girls driving most changes.
Oracle files to sell $20B in new stock, bonds to finance AI buildout
Oracle is filing to raise $20 billion through stock and bond sales to fund its artificial intelligence infrastructure expansion.
Let Me Ch...
A developer investigates disappearing flower delivery orders caused by a server-warehouse time desynchronization, while reflecting on the ambiguity of 'for now' and the loss of certainty in modern life.
Apple reports fourth quarter results
Apple reported a record $114.5B Q4 revenue, up 12% YoY, with iPhone and Services hitting all-time highs, and declared a $0.27 dividend.
Anthropic reports $17B in Q3 revenue, commitments of $895B in revised S-1
Anthropic reports $17 billion in Q3 revenue and $895.4 billion in purchase commitments in its revised S-1 filing.
My Favourite Laptop
The author loves their 2015 Thinkpad X250 for its tiny size, 10+ hour battery life, cheap repairability, and low cost, making it a perfect daily driver despite being an older machine.
Egoless Mathematics in the AI Era
The post argues mathematicians should adopt an 'egoless' perspective, viewing their work as discovering pre-existing truths rather than creating them, to avoid anxiety about AI replacement and redefine the value of mathematical inquiry beyond mere productivity.
Why are Soviet math textbooks so hardcore in comparison to US textbooks? (2017)
Soviet textbooks were harder because the system prioritized elite talent over mass education, lacking resources for computers and accepting high failure rates, unlike the US focus on making material accessible to all students.
Show HN: Warsaw in voxels – An interactive 3D map of the city centre
An interactive 3D voxel map of Warsaw's city centre is available at p.migdal.pl/warsaw-vibe-voxel/.
Moving our warehouse off DuckDB
PostHog moved their warehouse from DuckDB to a custom Trino-based solution due to scaling issues, catalog bloat, and the difficulty of offering direct Postgres connections.
Jobless tech workers are being left out of San Francisco's AI boom
San Francisco's AI boom is bypassing laid-off tech workers as OpenAI and Anthropic near IPOs, leaving engineers out of the wealth despite the city's growth.
Launch HN: Momentic (YC W24) – Agents that catch bugs by using your app
Momentic is an AI-powered QA platform that automates end-to-end testing by using agents to catch bugs, verify flows, and auto-heal tests, trusted by companies like Notion and Quora.
Anthropic reveals $900B AI spending commitments ahead of IPO
Anthropic disclosed $900 billion in AI spending commitments ahead of its IPO, signaling massive industry investment.
Sneaking into the auditorium for the Windows 2000 launch rehearsal
A Microsoft employee sneaked into the Windows 2000 launch rehearsal, discovering a giant mock laptop, an airplane cabin demo, and that the celebrity host was actually a crew member in costume.
Agentic backdoors via pretraining poisoning
Researchers demonstrate that poisoning just 0.1% of pretraining data can implant a remote code execution backdoor into LLM agents, with a 4B model achieving 92% attack success rate.
Ballot Rejections Have Soared in Rural Counties as USPS Reduces Mail Service
USPS cost-cutting measures, including reduced mail pickups in rural areas, have caused ballot rejection rates to double or triple in affected counties compared to 2022, disproportionately impacting rural Republican voters.
We halved DNS build delay and cut memory use by 85%
Cloudflare improved DNS build efficiency by implementing targeted zone builds, cutting memory use by 85% and halving the time from a DNS change to its data being written to Quicksilver.
Claude Opus 5.5 Can Draw Permit-Level Architectural Drawings
An architect tested 13 AI models and found Anthropic's Claude Opus 5.5 (released Sept 2026) can now generate sophisticated, permit-quality architectural drawing sets from simple sketches, marking a major shift for the drafting profession.
Self-Employed? Solopreneur? NIST Has a Cybersecurity Guide Just for You
NIST released a guide for solopreneurs covering cybersecurity basics like changing default passwords, regular data backups, and using worksheets to implement the NIST CSF 2.0 framework.
The U.S. Census Bureau and "Super Intelligence"
The U.S. Census Bureau changed its AI survey question from 'producing goods or services' to 'any business function' in Nov 2025, causing a significant jump in reported adoption rates from ~12% to ~40% for large firms by Oct 2026.
Polyend releases the Tracker firmware source code
Polyend has released the source code for its Tracker firmware, marking the biggest update yet for the device.
GPT-Rosalind-6 System Card Addendum
GPT-Rosalind-6 is a specialized AI model for life sciences, featuring evaluations in medicinal chemistry, genomics, and virology, alongside biological and chemical safeguards.
LongCat-2.5: Native Multimodality for Agentic Tasks
LongCat-2.5 is a 1.6T parameter native multimodal model for long-horizon agentic tasks, featuring strong visual coding, 3D tasks, and large-scale reinforcement learning.
C64 Basic Dungeon Crawler: Stairs, Levels and Levelling Up (Part 11)
This C64 BASIC tutorial adds multi-level dungeon progression, requiring players to collect chalices before reaching the stairs, and implements character stats that persist and level up between floors.
40 °C heat extremes are no longer implausible in the Nordic countries
A 2026 study analyzing 7,308 simulated summers finds 40°C heatwaves are no longer implausible in Norway, Sweden, and Finland, with a 0.53% annual probability and a 10.9% chance of breaking national heat records.
The agent that grows with you
Hermes Agent is a self-improving AI agent with built-in learning loops, memory, and multi-platform support (Telegram, CLI, etc.), running on any model via Nous Portal or OpenRouter, and installable via a simple script.
Supercharge your AI agents with data from the web and beyond. Building the library for superintelligence. 🔥
Firecrawl is an open-source API for web scraping and data extraction, offering search, crawl, and agent features with LLM-ready output and high reliability.
💫 Toolkit to help you get started with SDD or any other process!
Spec-Kit is an open-source toolkit for Spec-Driven Development that uses the Specify CLI to generate code from executable specifications, supporting integrations like GitHub Copilot and requiring the uv package manager.
Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More
Claude-Mem is a persistent memory compression system for Claude Code that automatically captures tool usage and generates semantic summaries to maintain context across sessions.
Qwen3.8-Flash-Next on any consumer hardware: one-click install for Windows / Linux. Strata inference engine, OpenAI/Anthropic API on localhost, optional image input.
Strata runs the Qwen3.8-Flash-Next 125B model on consumer hardware like RTX 4090s, supporting NVIDIA/AMD cards with 12GB+ VRAM and offering speeds up to 100T/s on 24GB cards.
Free, open-source file converter. Convert 263 formats offline by drag & drop — images, PDF, Word, Excel, PowerPoint, HWP/HWPX, video, audio, e-books and archives. No upload, no Office needed.
Filee is a public GitHub repository by KnifeLemon with 109 open issues and 14 pull requests.
Run frontier MoE models on hardware you already own — pure C, zero deps, experts streamed from disk. Tiny engine, immense model. 🐦
Colibrì is a pure C engine running the massive 744B GLM-5.2 MoE model on consumer hardware by streaming experts from disk, featuring MLA attention, int8 MTP speculation, and 9.9GB resident RAM usage.
Light, fluffy, and always free - The AWS Local Emulator alternative
Floci is a free, open-source local AWS emulator that runs on Docker, allowing developers to use AWS SDKs, CLI, and Terraform locally without an account or auth token.
Pruna's video upscaler. Turn a low-resolution clip into a sharper 720p, 1080p, 2K, or 4K MP4 that keeps the original aspect ratio and audio, with optional frame interpolation up to 60 fps.
Pruna's p-video-upscale sharpens and enlarges videos to 720p, 1080p, 2K, or 4K, preserving aspect ratios and audio, with pricing based on resolution and frame rate (e.g., $0.04/s for 1080p up to 30 fps).
Your Android phone and your Windows PC, working as one. Local-first, end-to-end encrypted, no account.
NectarLink is a free, open-source Android-to-Windows bridge app that syncs notifications, messages, clipboard, files, and screen mirroring locally without cloud storage, available for Windows, Linux, and Android.
🎥 Make videos programmatically with React
Remotion is a React-based framework for programmatically creating videos, allowing developers to use React components as video frames.
A modern GUI client based on Tauri, designed to run in Windows, macOS and Linux for tailored proxy experience
GitHub project clash-verge-rev/clash-verge-rev with 155,779 stars.
Turn any idea, plan, or codebase into a beautiful interactive diagram. An agent skill for Claude Code, Codex, and more.
Archify is a Node.js tool that converts codebase JSON into interactive, shareable system architecture diagrams for AI coding agents like Cursor and Claude.
TikTok Comment Automation Tool. Session-based workflow manager for engagement research and testing. Template rotation, rate limiting, lightweight
This is a lightweight TikTok comment automation tool for educational use that uses a sessionid cookie to manage comment workflows, templates, and rate limiting.
Open-source Grok Bot alternative with a virtual machine that bots can use
OpenMausBot is an open-source, local-first AI chat app for macOS, Windows, and Linux that runs your own AI agents like Claude or Codex with custom personalities and connected apps.
Minecraft: Java Edition 26.3 rewritten from scratch in Rust, checked against vanilla with 281 differential harnesses. Get it with the Horizon launcher.
Horizon is a Rust-rewritten Minecraft: Java Edition 26.3 client that runs on your own files, supports singleplayer with vanilla features, and offers extras like distant terrain and controller support.
### Early preview · Create 3D scenes and assets you can export as GLB A small **4B coding model** being trained to generate **Three.
A 4B parameter coding model that generates Three.js scenes and assets exportable as GLB, currently in an updated preview with improved quality and vision support.
A proof-of-work blockchain for memes. Mine, inscribe and trade with test tokens in your browser. Public testnet mined by GitHub Actions.
MemeChain is a browser-based proof-of-work blockchain where users can mine, inscribe, and trade memes using real cryptographic transactions, with a public testnet and a browser-only chain option.
Signal briefs — our take on the top picks
- HNUbuntu still has not released patch for Linux 0day RCE in almost 3 weeks
- HNAnthropic's internal AI use, at retail prices, now exceeds its employee pay
- HNIf you love a website, back it up
- HNSupermarket freezers across Europe hit by second suspected cyber-attack
- HNBones may release proteins that slow aging and extend life span
- HNAstra can read and write weights to improve Qwen
- HNShow HN: Wikihack – HackerTube, but for Wikipedia articles mentioned on HN
- HNWTF Ubuntu?
- HNOccupySaaS
- HNU.S. workers took home their smallest share of capital since at least 1947
- HNMathematics has changed. Let's act like it
- HNThe AI cost of JavaScript frameworks