StackToHeap

Code mode lets the model write a script that calls tools. Pi Durable makes that script resume after a restart without rerunning finished calls. What code mode is, how durable replay works, and when to reach for it.

OpenAI's Decisions API brings a big-lab competitor to Jev. How do their contracts, limits, accuracy, latency, and costs compare on BANKING77?

Pi Durable's building blocks: persisted tasks, conversations, application state, and agents whose work can survive the process that started it.

DSPy gets first-class support for System One models, plus an optimizer for tuning how programs act on their decisions.

TF-IDF, MiniLM, and DSPy draw their swords. Jev raises a shield. BANKING77 keeps score.