标签：#hackernews

Today I noticed the inclusion of emojis in Craigslist's listings/categories: https://www.craigslist.org/area/sfbay . Now, Craigslist, as a legacy of the 1990s web, has for a long time stubbornly maintained its minimalist style, to the point where several "modern" startups have popped up to try and offer Craigslist-like services to new generations. So why this change? And what's with the timing? It's coinciding with the wanton proliferation of emojis everywhere courtesy of everyone's favorite GPT

The most common failures for production agents are behavioral: looping, reasoning leakage, user frustration, and more. Using a frontier model like GPT or Sonnet to judge every turn is too expensive and slow to run at scale. To solve this, we built Reflexes: semantic signals from agent traces, served fast and cheap over API. Built on custom kernels and a custom inference engine forked from vLLM. Under the hood, it is a small LLM architected around multi-head inference. Small models need to be tra