Sam Altman’s remarks at the United Nations Security Council
OpenAI CEO Sam Altman discusses AI safety, human control, and international cooperation in remarks to the United Nations Security Council.
TUMN 인사이트 · AI와 IT를 이해하는 실용 정보
AI와 IT의 변화를 이해하고, 실제 서비스에 적용하는 데 필요한 정보를 모읍니다.
How invideo improves color grading 3x with GPT‑6 Astra
With GPT‑6 Astra, invideo plans edits with greater precision, improves color correction and grading threefold, and produces 50 custom effects in one day.
Introducing MentalHealthBench
MentalHealthBench is an expert-informed benchmark for evaluating helpful and safe AI responses across realistic mental health conversations.
Harvey turns legal context into stronger drafts with GPT-6 Astra
GPT-6 Astra produces more structured, context-aware legal documents, freeing lawyers to focus on strategy.
OpenAI extends cyber access to Ukraine for civilian defense
OpenAI is extending access to its Daybreak program to the Government of Ukraine to support the cyber defense of civilian infrastructure.
Multiplayer AI: Why your team (and its agents) need a group chat
Ryan chats with the GM of Slack, Rob Seaman, about how their new Code Channels feature is bringing multiplayer AI to your team chats.
Two years of OpenAI Academy
Marking two years of OpenAI Academy and bringing AI skills to even more communities.
Ringg’s AI agents resolve up to 65% of customer calls with OpenAI
Using GPT-5.6, Ringg powers multilingual agents across voice, chat, WhatsApp, and web for 90% less cost vs. GPT-4.1.
Shadow roots, explained with live examples
<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/shadow-roots">Shadow roots, explained with live examples</a></p> <p>Prompt to Fable 5.1 Medium:</p> <blockquote> <p><code>Build an artifact to explain shadow roots in CSS with interactive examples</code></p> </blo
Gemini 3.8 TTS Playground
<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/gemini-tts-playground">Gemini 3.8 TTS Playground</a></p> <p>Google <a href="https://blog.google/innovation-and-ai/models-and-research/gemini-models/gemini-3-8-text-to-speech/">released two new Gemini text-to-speec
We just shipped support for the ugliest part of HTTP: Vary
<p><a href="https://news.ycombinator.com/item?id=49823195#49823961">My comment</a> on <a href="https://news.ycombinator.com/item?id=49823195">We just shipped support for the ugliest part of HTTP: Vary</a> — Hacker News.</p><p>I've been wanting this from Cloudflare <em>for y
Validate GPU Cluster Readiness Before AI Workloads Land
A GPU cluster can pass every health check and still fail to run an AI workload. Even when every GPU, network link, and pod reports healthy, a 512-GPU training...
Introducing NV-Reason-CT Open 3D CT VLM for Radiologist Chain-of-Thought Reasoning
Radiology AI has made remarkable strides in detecting abnormalities across chest X-rays, pathology slides, and 2D scans. Yet one of the most clinically rich and...
Manage Kubernetes Node Fleets with NodeWright
Kubernetes manages what runs on your nodes. Managing the nodes themselves is the challenge: kernel settings, system packages, storage layouts, security agents,...
Bringing Private Processing to Meta AI Glasses
We believe glasses are the best form factor for having AI help throughout your day. They can understand your personal context better than other kinds of devices and keep you present without picking up a mobile phone. Most of the time, glasses are helping you see well, protecting
How SWE-Serve Exposes the Gap Between Local Tests and Live Serving
An AI coding agent’s patch can pass tests yet fail when the server loads a real model and handles requests. Evaluating changes to inference-serving software...
Fragments: September 24
<p>Rob Bowley is “flipping tables in his head” with <a href="https://blog.robbowley.net/2026/09/18/the-ai-threat-is-real-it-just-isnt-the-one-in-the-headlines/">anger at the current media coverage of the danger of AI killing us all</a></p> <blockquote> <p>The risk I’m worried abo
Northern Gannet, Great Blue Heron, California Brown Pelican
<p><img src="https://static.inaturalist.org/photos/740453177/large.jpg" alt="Northern Gannet"></p><p><img src="https://static.inaturalist.org/photos/740453341/large.jpg" alt="Great Blue Heron"></p><p><img src="https://static.inaturalist.org/photos/740454506/large.jpg" alt="Califo
Note on 24th September 2026
<p>The more time I spend working with coding agents, the more convinced I am that they make software engineering even harder.</p> <p>We can do amazing things with them, but unlocking their full potential requires extraordinary discipline and knowledge.</p> <p>Tags: <a href="https
Accelerating vision-language models with LFM2.5-VL-DSpark
Accelerating vision-language models with LFM2.5-VL-DSpark
Efficient MoE Training for Biological Foundation Models
As language models grow, scaling dense architectures becomes increasingly expensive. In a dense transformer, every token passes through every layer, so adding...
commit-rewriter 0.2
<p><strong>Release:</strong> <a href="https://github.com/simonw/commit-rewriter/releases/tag/0.2">commit-rewriter 0.2</a></p> <blockquote> <p>Support for branches other than the default branch. Use <code>uvx commit-rewriter --branch other</code> to run against another branch. <a
datasette 1.0a41
<p><strong>Release:</strong> <a href="https://github.com/simonw/datasette/releases/tag/1.0a41">datasette 1.0a41</a></p> <p>Alec Garcia added <a href="https://docs.datasette.io/en/latest/internals.html#internals-telemetry">support for OpenTelemetry</a> to Datasette in this release
Healthy Feedback
<div class = 'img-link'><a href = 'https://martinfowler.com/articles/healthy-peer-feedback.html'><img src = 'https://martinfowler.com/articles/healthy-peer-feedback/card.png' width = '350px'></img></a></div> <p>Human collaboration, like most things, improves with feedback. But it
Professional skepticism is a dev’s best skill
Ryan chats with David Burns, Head of Developer Advocacy and Open Source at BrowserStack, about the value of professional skepticism in an AI-driven world, applying test-driven development to agentic engineering, and why fixing flaky tests comes down to managing application state.
Replacing the old battery on rechargeable bike lights
Hello! Recently I needed bike lights for my bike. And I remembered that I already had rechargeable bike lights that I bought ten years ago, that I hadn’t tried in a long time. I tried to recharge them, but after fully charging them, they only worked for maybe 5 minutes befo
Kākāpō Party
<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/kakapo-party">Kākāpō Party</a></p> <p>I presented a closing keynote for the <a href="https://www.wearedevelopers.com/world-congress-north-america">WeAreDevelopers World Congress North America</a> yesterday. As <a
2026 in LLMs (so far)
<p>On Friday I gave the closing keynote at the <a href="https://www.wearedevelopers.com/world-congress-north-america">WeAreDevelopers World Congress North America</a> in San Jose. I tied together the key trends from the past year into a chronological exploration of everything tha
Bluesky reply bot checker
<p><strong>Tool:</strong> <a href="https://tools.simonwillison.net/bluesky-bot-check">Bluesky reply bot checker</a></p> <p>Automated reply bots on Twitter are a <em>scourge</em> - as someone with a decent number of followers I attract a swarm of these, such that anything I post t
Quoting John Gruber
<blockquote cite="https://daringfireball.net/linked/2026/09/25/aten-muse"><p>Muse is getting a lot of attention — including mine — because it’s both groundbreaking technically (each user gets their own entire persistent Linux VM running in Meta’s cloud) <em>and</em> because it’s