Posted by Alumni from Substack
September 13, 2026
' Hey, Linas here! Welcome back to a ' weekly free edition ' of my daily newsletter. Each day, I focus on 3 stories that are making a difference in the financial technology space. Coupled with things worth watching & most important money movements, it's the only newsletter you need for all things when Finance meets Tech. How to Use GPT-6 Astra, the OpenAI Model Jensen Huang Called AGI ' [8 GPT-6 Astra workflows, copy-ready prompts, and practical settings for founders, builders, investors, and entrepreneurs who want to build products, research investments, and get more value from AI] The Ultimate Guide to Grok Bot: The First Real AI Agent OS ' [The complete guide to building a persistent AI agent operating system with Grok Bot ' setup, working prompts, 8 end-to-end workflows, multi-agent teams, security, and the economics of AI teammates] GLM-5.3-Flash: Local AI Goes Multimodal ' [Why the first open multimodal AI model that rivals Claude Opus 4.8 and GPT-5.6, runs on a single Mac,... learn more