Summary
On October 9, 2026, Vercel made Microsoft's Decision-1 model callable through its AI Gateway with a single API key, letting developers classify text, route requests, and track usage and spend from one place.
What changed
Microsoft Decision-1 became available on Vercel AI Gateway, accessible with one API key for text classification and request routing, with unified usage and spend tracking.
Why it matters
Classification and decision models are the control layer for agent routing; offering Decision-1 through AI Gateway lets teams add routing logic without a separate Microsoft integration and reinforces the gateway as a neutral aggregation point for many vendors' models.
Evidence excerpt
Call Microsoft's Decision-1 through Vercel AI Gateway with one API key to classify text, route requests, and track usage and spend.