Every Sandboxes & Runtime comparison and buyer's guide for building AI agents — 3 pieces and counting. Each is a head-to-head or a “best X for Y” roundup with a sources-backed verdict.
Once you've fine-tuned a model, you need a GPU to serve it from. The four serverless platforms developers reach for disagree about one thing that follows you for years — the format you package the model in.
Three "agent sandboxes," three different machines underneath. Choose by your latency-and-lifetime profile and your isolation primitive, not by the feature grid.
Every agent that runs longer than a single request eventually crashes mid-thought. The engine you pick to survive that crash decides how you're allowed to write the loop.