Most AI pipelines use one model for everything.
One model plans the task, does the research, writes the answer, and checks its own work. That's like hiring one person to be your strategist, researcher, analyst, and auditor simultaneously. It doesn't scale - and more importantly, the model has no one to disagree with it.
PolyBrain is my answer to that. It's an open-source multi-agent, multi-model orchestration skill for Hermes Agent. You give it an objective, it breaks the work into roles, runs them in parallel where it can, synthesizes the outputs, and verifies every claim against its cited sources before it reaches you.
Here's what that looks like end to end.
The pipeline
