The Pulse: tech companies move to open AI models Uber, Pinterest, Stripe, Coinbase, Ramp, and AT&T are cutting AI costs by replacing proprietary models with open-source alternatives and using smart model routing, according to The Pulse. The shift reflects a broader trend among tech companies to reduce AI spending while maintaining performance. 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…