Posted by Alumni from Substack
February 21, 2026
' Hey, Linas here! Welcome to another special issue 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. If you're reading this for the first time, it's a brilliant opportunity to join a community of 370k+ FinTech leaders: The model that beats every alternative on finance-specific tasks is not the expensive flagship. It's the $3-per-million-token one, at 1/5 the Opus price. You now have access to the best AI for financial analysis at a cost that rounds to 0. Prompting it with the right structure gets you investment-committee-ready analysis: phased methodology, visible assumptions, internal consistency checks, calibrated uncertainty. That gap is thus almost entirely about how you write the prompt. It matches Opus on enterprise document comprehension. Sonnet 4.6 achieves... learn more