StepFun’s new Step 5 Preview model is impressive! Had a chance to test it early. I've been testing it as a coding agent. It’s on the Pareto frontier for cost vs. capability. It is a very capable model, comparable to GLM 5.3, Kimi K3, and others, and it comes at a very competitive price. It’s worth trying in your favorite coding agent. I tested it in a minimal harness to see how it compares with GLM 5.3. Here are my results. Overall, it is very effective and feels like a model I could…