Claude Sonnet 5.5, Anthropic's prospectus, Florida vs OpenAI - September 29, 2026
Anthropic ships a faster Sonnet and files a prospectus full of losses and risk warnings, Florida asks a court to rein in OpenAI, AMD buys World Labs, and agents learn to check out and hunt bugs.
Chapters
Intro
Anthropic releases Sonnet 5.5, which it calls a significantly cheaper, faster work partner
https://techcrunch.com/2026/09/28/anthropic-releases-sonnet-5-5-which-it-calls-a-significantly-cheaper-faster-work-partner/Anthropic's prospectus details losses, growth, and a warning that its AI could end humanity
https://techcrunch.com/2026/09/28/anthropics-prospectus-details-losses-growth-and-yes-a-warning-that-its-ai-could-end-humanity/Florida AG asks state court to prevent OpenAI from advancing its frontier models
https://siliconangle.com/2026/09/28/florida-attorney-general-asks-state-court-to-prevent-openai-from-advancing-its-frontier-models/AMD will acquire Fei-Fei Li's World Labs for $8.2 billion
https://techcrunch.com/2026/09/28/amd-will-acquire-fei-fei-lis-world-labs-for-8-2-billion/Meta launches enterprise AI platform, hires MongoDB CEO to lead new initiative
https://techcrunch.com/2026/09/28/meta-launches-enterprise-ai-platform-hires-mongodb-ceo-to-lead-new-initiative/Shopify opens checkout to browser-based AI agents
https://techcrunch.com/2026/09/28/shopify-opens-checkout-to-browser-based-ai-agents/GitHub's AI agent found 24 Android app vulnerabilities
https://www.helpnetsecurity.com/2026/09/29/github-ai-android-app-vulnerabilities/16-year-old researcher breaks into Microsoft analytics service
https://www.helpnetsecurity.com/2026/09/28/microsoft-titan-jwt-signature-flaw/Other users can watch your browsing and time your keystrokes through OS file notifications
https://www.helpnetsecurity.com/2026/09/28/cve-2025-68788-file-notification-attacks/Google is killing off Gemini's Gems in favor of skills
https://techcrunch.com/2026/09/28/google-is-killing-off-geminis-gems-in-favor-of-skills/Sign-off