DAILY AI BRIEF 🗞 — Oct 1 GOOGLE 🔥: - Gemini 4 Argon is with Fairwind trusted testers and the US government. 1M output tokens. Broader rollout ASAP. - Built for coding, enterprise knowledge work, and cyber defense. Google's chart: 77.9% on DeepSWE v1.1, a new SOTA. - Artificial Analysis: 53 on the Intelligence Index, tying GPT-6 Astra. List $4/$20 per 1M, 50% promo to $2/$10, cache reads $0.10. - Skills are rolling out globally in Gemini. Gems migrate into Skills in November. Opal shuts down Nov 17. - Security review mode spotted in Google AI Studio, next to a Plan mode still in development. ANTHROPIC 🔥: - Claude[.]dev is live: engineering deep dives, Claude Code and API guides, plus easter eggs. - Founder House is set for SF Tech Week Oct 6–8 and Stockholm Oct 14. - Skills attachment menu spotted on Claude mobile. SPACEX AI 🔥: - Grok Bot got new developer upgrades. Elon: try the latest. Team engineer bots in Slack can open Projects and hand coding to cloud agents. OPENAI 🔥: - Shareable profiles are live in ChatGPT, bundling Sites and plugins so others can find and reuse what you built. PERPLEXITY 🔥: - pplx-embed-v2-context-9b-preview is on Hugging Face. Leads ConTEB answer and evidence retrieval. 1 KB vectors vs Voyage's 8 KB. * Used Grok to compose this brief, cherry-picking the news and doing some post-editing. ** This daily brief also arrives in the daily email format; subscribe on the blog.