Pick the right architecture: single agent, workflow or multi-agent
Most agent projects fail at the first decision: how many agents, and who decides what runs next. We build the same task three ways and measure what each costs in tokens, latency and failure.
More builders labs
- BuildersSystem design
Design a production agent from a blank page
A written architecture for one agent: components, failure modes and a cost estimate, reviewed by peers.
3 hours - BuildersEvals
Add evals and tracing to an agent
Traces, a dataset built from real failures, and an experiment that proves a prompt change helped.
3 hours - BuildersSystem design
Make agents survive failures with durable workflows
An agent whose runs retry, pause for a human and resume after a crash.
2 hours