# The Pulse: tech companies move to open AI models

> Source: <https://newsletter.pragmaticengineer.com/p/the-pulse-tech-companies-move-to>
> Published: 2026-09-03 17:00:14+00:00

*The Pulse is a series covering events, insights, and trends within Big Tech and startups.*

Today, we cover:

**New trend: tech companies moving to open models.** Uber, Pinterest, Stripe, Coinbase, Ramp, and AT&T are making large savings on their AI bills by dropping proprietary models and using smart model routing.**Automatic software maintenance experiments by L…**