Top AI launches from W4, September 22-30, 2026, ranked by X views.
Introducing Team Bots, shared AI teammates that learn as your team works with them. Give your Team Bot the skills, plugins, and credentials it needs for its role, then work with it in Slack or Grok Bot. https://t.co/73RrG4xpaU
Introducing Claude Opus 5.5, the first model in our new Claude 5.5 family. It performs at the level of Claude Fable 5.1 for most tasks, and costs 40% less to run than Opus 5. https://t.co/Q9C2VKQ79f
Big day 🔥 🚀 Introducing Dolphin AI - an agentic AI studio for complete video production. The story of Dolphin is very interesting. It didn’t start as a product. It started as an internal tool. We started with one question: Why does AI video still struggle the moment you ask https://t.co/JXfFnMaJ9g
Introducing Claude Sonnet 5.5, the second model in the Claude 5.5 family. It’s a clear upgrade over Sonnet 5, runs more than 30% faster, and costs up to 30% less for most work. https://t.co/UvXD8mDTF1
Today we’re launching Parallax, the AI energy company with a $117m fundraise led by Founders Fund, Eclipse, Lux, Diffusion, Greylock and General Catalyst. (1/5) https://t.co/PYEBwC4s2L
Introducing @Supertake, a new platform that transforms your unique takes on the world into real, shareable investment portfolios using frontier AI and trading agents. Supertake makes it easy for anyone to invest in their ideas, even if they know nothing about investing. 1/ https://t.co/pgettfU30s
Introducing SideShift: the first AI creator marketer. AI can now scale your business better than ANY human. It’s already driven 500B+ views across 1.5M+ HUMAN creators. Try here: https://t.co/drbnF1Vvnt https://t.co/b20b5YOQBz