Posted by Alumni from Substack
September 27, 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 & the most important money movements, it's the only newsletter you need for all things when Finance meets Tech. How to Use Jev AI: The Complete Guide to TypeSafe's System One Model ' [What Jev is and how it works, the best Jev use cases, and how to build AI agents, workflows, and decision systems on a model that is up to 200x faster and 400x cheaper than LLMs] 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 '... learn more