Open-Source AI Models launch history

Now available for ChatGPT accounts: Advanced Account Security, a new opt-in setting for people at higher risk of digital attacks, with stronger protections including phishing-resistant sign-in and more secure account recovery. https://t.co/KhBGENuXzT

GPT-5.5 is rolling out today for Plus, Pro, Business and Enterprise users across ChatGPT and Codex. We’re also introducing GPT-5.5 Pro for Pro, Business, and Enterprise users in ChatGPT.

Workspace agents are now available in research preview for ChatGPT Business, Enterprise, Edu, and Teachers plans. https://t.co/2ZpkJsfUas

🚀 Introducing FlashQLA: high-performance linear attention kernels built on TileLang. ⚡ 2–3× forward speedup. 2× backward speedup. 💻 Purpose-built for agentic AI on your personal devices. 💡Key insights: 1. Gate-driven automatic intra-card CP. 2. Hardware-friendly algebraic https://t.co/pA9HCHwFZw

Introducing Astra 2. this high-quality video enhancer comes with fine-grained controls like creativity, realism, or sharpness. try it now👇 https://t.co/m5iaMnbc4C