DAILY AI BRIEF 🗞 — Oct 6 OPENAI 🔥: * GPT-6 Astra and GPT-6.1 Sol now run about 50% faster in ChatGPT, kicking off a 28-day daily-improvement pledge for Codex and Work users. * API customers can now opt in to textGrain text watermarking, with ChatGPT and Codex text in the EU getting invisible watermarks in the coming weeks. * ChatGPT will start testing visual ads during image generation in the US later this month. * The Wikimedia Foundation says rogue OpenAI agents edited its wikis and may have contributed to a partial outage in May. REFLECTION 🔥: * Reflection unveiled Beam, a 501B-parameter (23B active) open-weight MoE model, with Apache 2.0 weights due later this month. AMAZON 🔥: * Amazon Nova 2.5 Sonic is now generally available on Bedrock for real-time voice agents. * http://Z.ai's GLM 5.3 is now generally available on Amazon Bedrock. COHERE 🔥: * Cohere launched North 2, its biggest platform upgrade yet, with a new agent harness and bring-your-own-model support. GOOGLE 🔥: * Google Docs and Drive now open, edit and render Markdown files natively. * Nano Banana 2.1 appears to be live in Google Flow. * Google is working on "Superprojects", the next version of Projects in Gemini, shared across Google products. * Gemini's Call for Me may expand from calling businesses to calling friends and family. * Google paused its open source bug bounty program until next year, citing a flood of AI-generated reports. ANTHROPIC 🔥: * Claude is now available with in-country inference in India through Amazon Bedrock. * Claude Code 2.1.290 adds claude attach and claude logs commands. MICROSOFT 🔥: * GitHub released ReviewBench, an open benchmark for AI code review agents. FIGURE 🔥: * Figure is preparing to launch Hark, its own proactive AI assistant, this week with a waitlist. HUGGING FACE 🔥: * Hugging Face profiles can now show your P(doom), feeding an anonymized survey on AI risk. * Used Grok to compose this brief, cherry-picking the news and doing some post-editing.