Cloudflare ships Clef, Reddit kills RSS — AI News Oct 3

- Cloudflare Clef and Clef-flash: open-weight Apache 2.0 decision models on the Qwen architecture that return structured probabilities instead of text, with Clef-flash deciding in a 39-millisecond median on Workers AI — a new decision layer between classifiers and LLMs for agent micro-decisions. - Reddit confirms a phased shutdown of RSS feeds and its public Data API through March 2027, citing AI scraping — audit your agent tooling and data pipelines that read Reddit before the October 31 deadline. - Agent security week: IBM's Bob coding platform goes fully self-hosted and air-gapped while Coder ships Agent Relay with Claude Code support; California AG Rob Bonta subpoenas OpenAI over rogue-agent cybersecurity disclosures. - Training and tuning worth learning: Ai2's OlmoCore 3 open MoE training stack hits 2.7x throughput, and ServiceNow's AutoSynthData pipeline closes 59 percent of the teacher gap with 2,000 synthetic samples. - JetBrains 2026 developer survey: 90 percent of developers use AI coding agents weekly and 47 percent of new code is AI-generated, while DeepMind documents 17x error amplification in cascading agent chains. Follow AI Engineering Briefing and leave a rating — it's how new listeners find the show.