From Hacker News
Stories 1 – 10
No. 01Dev Tools
by nprateem · 1178 points · 702 comments
AWS sent billing estimates that were off by $1.7 billion — not a rounding error, a systemic failure in estimated cost data. With 702 comments, this has engineers rightly furious and auditing their own dashboards. If you trust AWS cost estimates for budgeting, read this immediately.
No. 02AI ToolsApplies to you
by rellem · 437 points · 315 comments
A comprehensive snapshot of where open-source AI stands in mid-2026 — models, tooling, licensing debates, and the widening gap between open and closed frontier systems. Essential reading if you're deciding which models to build on top of. The 315-comment thread is full of sharp takes.
No. 03AI ToolsApplies to you
by droidjj · 337 points · 179 comments
Simon Willison digs into Moonshot AI's Kimi K3 and uses the pelican benchmark as a lens for understanding what coding LLMs are actually good at. Practical and opinionated — exactly the kind of model evaluation that helps you pick the right tool for Claude Code-style workflows.
No. 04Privacy & SecurityApplies to you
by gnabgib · 506 points · 326 comments
Frontline nurses at Kaiser report that AI monitoring tools and surveillance systems are degrading care quality — a stark real-world counterpoint to AI optimism. The tension between algorithmic efficiency and human judgment is sharpest in high-stakes environments like healthcare.
No. 05AI Tools
by twerkmeister · 460 points · 287 comments
Serious allegations of irregularities in Kaggle's "Measuring AGI" competition — including inconsistent judging criteria and possible favoritism in winner selection. Benchmark credibility is foundational to AI progress; when that's in question, everything built on it wobbles.
No. 06Weird Science
by neversaydie · 457 points · 271 comments
Astronomers have detected an atmosphere on an Earth-sized planet sitting in the habitable zone of its star — a genuine first. This is the kind of discovery that deserves a pause from whatever you're debugging. The universe just got a little more interesting.
No. 07Creative Software
by vitaut · 320 points · 28 comments
A delightful creative coding experiment that generates JPEGs that get worse the more you compress them — inverting the usual compression tradeoff in visually striking ways. Part art project, part deep dive into JPEG internals. Genuinely fun to explore.
No. 08Dev ToolsApplies to you
by surprisetalk · 252 points · 66 comments
Julia Evans does what she does best: explores SQLite in production with fresh eyes and surfaces non-obvious gotchas around concurrency, WAL mode, and deployment. If you've ever shipped SQLite in a real app, you'll find something new here.
No. 09Privacy & SecurityApplies to you
by BadChemical · 127 points · 33 comments
A researcher found that TP-Link Kasa cameras broadcast home GPS coordinates over unauthenticated UDP — for six years — meaning anyone on the network could grab your precise home location. A damning IoT security failure with direct privacy implications for anyone with these cameras at home.
No. 10Dev Tools
by lalitmaganti · 122 points · 6 comments
A thorough exploration of B-tree-style layouts in memory that exploit cache lines and SIMD to blow past binary search in benchmarks. The kind of low-level algorithm post that makes you rethink assumptions you've held for years.
From Pinboard Popular
Stories 11 – 20
No. 11AI ToolsApplies to you
Pinboard Popular · tagged: linux, subject:cs.AI, subject:cs.CL, open-source, author:linus_torvalds, community
Linus Torvalds fires off a characteristically blunt mailing list post defending LLM use in the Linux kernel and threatening to ignore anyone who argues against it. "Linux is not one of those anti-AI projects" — a decisive moment from the top-level maintainer of the world's most important open source project.
No. 12Dev ToolsApplies to you
Pinboard Popular · tagged: dataEngineering
A developer-focused map of the sprawling data tooling ecosystem — databases, pipelines, warehouses, orchestration — with opinionated guidance on what to actually pick. The landscape moves fast and this is a solid orientation for anyone building data-adjacent features.
No. 13Dev Tools
Pinboard Popular · tagged: database
PlanetScale digs into the distributed systems engineering behind their Vitess-based MySQL sharding — how they make hundreds of database servers appear as a single logical database to applications. A rare look inside hyperscale database infrastructure from engineers who built it.
No. 14Dev Tools
Pinboard Popular · tagged: via:lobsters, programming, rust, zig, roc
Richard Feldman gives a candid mid-rewrite postmortem on porting the Roc compiler from Rust to Zig — what Zig gets right for this specific use case, and the surprising reasons it's working better than expected. Unusually honest systems programming writing.
No. 15AI ToolsApplies to you
Pinboard Popular · tagged: shared, ai
A Martin Fowler article on using AI to modernize a Java 1.5 legacy codebase — using a stable Docker environment and test-guided incremental refactoring as guardrails. Directly applicable to anyone using Claude Code or Copilot to wrestle with inherited codebases.
No. 16AI ToolsApplies to you
Pinboard Popular · tagged: agent, documentation
LangChain's openwiki is a CLI tool that uses AI agents to auto-generate and keep codebase documentation up to date. For Claude Code users drowning in undocumented legacy code, this is worth a try today — it's a directly actionable workflow improvement.
No. 17AI Tools
Pinboard Popular · tagged: AI, safety, essay, longbets
An AI safety researcher's detailed account of trying — and failing — to stop Google from handing its AI to the military without restrictions against killer robots, including breakdowns from Stuart Russell and Jeff Dean. A long, disturbing read about how AI ethics commitments collapse under institutional pressure.
No. 18Privacy & SecurityApplies to you
Pinboard Popular · tagged: privacy, identity, ai, funny, clothing
From LED-equipped hoods that dazzle infrared cameras to prints that trick facial recognition into seeing multiple faces, adversarial fashion is creeping toward mainstream. Equal parts absurd and serious — surveillance is ubiquitous enough that people are dressing to fight it.
No. 19AI Tools
Pinboard Popular · tagged: poetical.engines
NYT tech journalist Kashmir Hill discovers an unauthorized AI-generated biography of herself on Amazon — and finds thousands more like it flooding the platform. A first-person look at the AI slop economy and what it means when anyone can generate a fake book about you.
No. 20Creative Software
Pinboard Popular · tagged: untagged
Netflix disclosed in its Q2 2026 earnings that roughly 300 titles on the platform used generative AI in production. This is the clearest signal yet that AI-assisted video production has crossed from experiment to industrial practice at the largest streaming platform on earth.