Hacker News on Tuesday, 2 December 2025

Stories posted this day, by points. Rank history starts with the October 2026 rebuild.

Screenshot of bun.com: Anthropic acquires Bun

Anthropic acquires Bun (bun.com)

2093 points by ryanvogel 10 months ago | 1005 comments

Bun blog post by Jarred Sumner announcing that Anthropic has acquired Bun, which stays open-source and MIT-licensed while powering Claude Code and future AI tools.

bun anthropic javascript-runtime acquisition

Screenshot of theverge.com: Valve reveals it’s the architect behind a push to bring Windows games to Arm

Valve reveals it’s the architect behind a push to bring Windows games to Arm (theverge.com)

892 points by evolve2k 10 months ago | 756 comments

The Verge report and interview revealing Valve is behind efforts to run Windows games on Arm hardware, tied to Steam Machine and possible Steam phones.

valve arm steamos windows-games

Screenshot of theverge.com: OpenAI declares 'code red' as Google catches up in AI race

OpenAI declares 'code red' as Google catches up in AI race (theverge.com)

770 points by goplayoutside 10 months ago | 849 comments

The Verge news article reporting that OpenAI has declared a 'code red' internally as Google catches up in the AI race.

openai google chatgpt gemini

Screenshot of businessinsider.com: IBM CEO says there is 'no way' spending on AI data centers will pay off

IBM CEO says there is 'no way' spending on AI data centers will pay off (businessinsider.com)

754 points by nabla9 10 months ago | 849 comments

Business Insider article reporting IBM CEO Arvind Krishna's view that trillions spent on AI data centers won't pay off at current infrastructure costs.

ibm arvind-krishna ai-data-centers ai-capex

Screenshot of mistral.ai: Mistral 3 family of models released

Mistral 3 family of models released (mistral.ai)

721 points by pember 10 months ago | 197 comments

Mistral AI's announcement page for the release of its Mistral 3 family of AI language models.

mistral-ai mistral-3 llm open-weights

Screenshot of pagedout.institute: Paged Out

Paged Out (pagedout.institute)

547 points by varjag 10 months ago | 57 comments

Homepage of Paged Out!, a free community-made technical magazine with one-page articles on programming, hacking, security, retro computers, and electronics.

paged-out zine hacking security

Screenshot of gilesthomas.com: LLM from scratch, part 28 – training a base model from scratch on an RTX 3090

LLM from scratch, part 28 – training a base model from scratch on an RTX 3090 (gilesthomas.com)

482 points by gpjt 10 months ago | 101 comments

Blog post, part 28 of a series, describing an experiment training a ~163M-parameter base LLM from scratch on a single RTX 3090 at home.

llm-training gpt-2 rtx-3090 pytorch

Screenshot of publicdomainreview.org: What will enter the public domain in 2026?

What will enter the public domain in 2026?(publicdomainreview.org)

460 points by herbertl 10 months ago | 325 comments

The Public Domain Review's festive countdown of notable works whose copyrights expire and enter the public domain on January 1, 2026.

public-domain copyright public-domain-review literature

Screenshot of starflow-v.github.io: Apple Releases Open Weights Video Model

Apple Releases Open Weights Video Model (starflow-v.github.io)

418 points by vessenes 10 months ago | 151 comments

Project page for STARFlow-V, Apple's end-to-end video generative model based on normalizing flows, with links to the paper and code.

video-generation normalizing-flows apple open-weights

Screenshot of xania.org: Advent of Compiler Optimisations 2025

Advent of Compiler Optimisations 2025 (xania.org)

356 points by vismit2000 10 months ago | 62 comments

Matt Godbolt announces the Advent of Compiler Optimisations 2025, a daily blog post and video series in December covering C and C++ compiler optimisations.

compiler-optimization c-plus-plus c assembly

Screenshot of andersmurphy.com: 100k TPS over a billion rows: the unreasonable effectiveness of SQLite

100k TPS over a billion rows: the unreasonable effectiveness of SQLite (andersmurphy.com)

344 points by speckx 10 months ago | 124 comments

Blog post by Anders Murphy benchmarking SQLite at 100k transactions per second over a billion rows, arguing its embedded single-writer design helps it scale.

sqlite database-performance benchmarks clojure

Screenshot of lwn.net: Zig's new plan for asynchronous programs

Zig's new plan for asynchronous programs (lwn.net)

317 points by messe 10 months ago | 228 comments

LWN article by Daroc Alden describing Zig's new approach to asynchronous I/O that avoids function coloring, letting code run synchronously or asynchronously.

zig async-io function-coloring programming-languages

Screenshot of lesswrong.com: Claude 4.5 Opus’ Soul Document