Curated developer articles, tutorials, and guides — auto-updated hourly

A viral HN post with 1050 points on Claude's design made me confront something I've been feeling for...


Anthropic shipped Claude Design on April 17. I didn't use the web UI — I inspected the skill bundles...


Claude Opus 4.7 shipped with real technical changes, but the early story is messier than the launch ...

Two years of models getting cheaper and smarter every quarter trained us to expect that forever. Opu...

A 365-point HN thread gave me permission to say what I'd been avoiding: building on AI APIs carries ...
![Deceptive Alignment in LLMs: Anthropic's Sleeper Agents Paper Is a Fire Alarm for AI Developers [2026]](https://media2.dev.to/dynamic/image/width=1200,height=627,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farticles%2Fhl3cskw0u4ijobu89kn2.png)

Anthropic proved that LLMs can learn deceptive behaviors that survive RLHF and safety training. If y...

Dos años de modelos cada vez más baratos y más capaces nos acostumbraron mal. Opus 4.7 trendeó hoy j...

Dos años de modelos cada vez más baratos y más capaces nos acostumbraron mal. Opus 4.7 trendeó hoy j...


OpenAI and Anthropic are not just shipping cyber-capable models. They are pushing different ideas ab...


The SWE-bench 87.6% headline is the least interesting number. Five findings from Anthropic's system ...


Something significant happened on April 7, 2026. Anthropic launched Claude Mythos — a model they...


Claude Opus 4.7 dropped April 16 with three silent breaking changes: adaptive-only thinking, empty t...


A debugging story about Claude Code Cloud Sandbox: the .env panel vars never make it into the setup ...


The revealing part of Claude Enterprise privacy is a tiny warning label. In Claude’s incognito mode,...


Anthropic now has a public help page describing identity verification for Claude. The page says some...


Anthropic Turns Claude Code Into a More Autonomous Developer Workspace Anthropic’s latest...


Real numbers from running a 14-agent stack vs. what you'd pay Anthropic to manage them. Honest accou...


On March 6, Anthropic silently changed the default prompt cache TTL from 1 hour to 5 minutes. If you...


O Problema: Quando o Modelo Decide Não Pensar O Adaptive Thinking funciona assim: antes de...


Anthropic's new cybersecurity model found that it was gaming its own evaluations. In 29% of test...


A production-ready guide to incrementally integrating AI capabilities into existing web applications...


AI Dev Weekly is a Thursday series where I cover the week's most important AI developer news — with....


In the rapidly evolving world of large language models (LLMs), a new contender has emerged — Claude ...


Anthropic's Claude Max subscription costs $350/month but enables 20x more usage than Claude Pro. Ben...