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Notes from the accountability layer.

The multi-model era is here. We write about what it changes: your costs, your security, and who answers for what your agents actually do. From the people building Gate.

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Many agent endpoints on the left and a few provider endpoints on the right, all routed through a single node labeled one gateway

N° 01 July 6, 2026

Pick your models. Own your rails.

Buy AI from a frontier lab and you get a whole operations department with the model: the screening you never see, the spend limits, the dashboard, the record. That bundle is coming apart as teams go multi-model. On why the accountability layer can't come from the people selling you the models, and what we built.

Alex Brandes, CTO, Constellation