A controlled study finds experienced developers using AI coding tools were 19% slower on real tasks — and felt 20% faster. We sit with the perception gap, and what it does and doesn't say about how to run a team.
Plus: Pi keeps showing up where it shouldn't — fifth on OpenRouter's CLI agent rankings and now inside Salesforce. Susan Zhang on why stable training norms can be the politest kind of lie. Simon Willison gets DeepSeek V4-Flash running in 17GB on an M3 Max. A new Slack-shaped workspace for collaborating agents called wuphf. And Paul Graham revisiting Hamming's old, uncomfortable question.
Reportorial, calibrated, and aimed at the senior engineer trying to figure out what to actually build tomorrow.
