StepFun’s new Step 5 Preview model is impressive!
This is a dev post classified by Jev as AI dev tools (a tool drop), kept by the Dev Radar because it carries real work, not commentary.
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 use for a whole range of coding tasks. One behavior that stood out is that it knows when to stop, which
Posted by elvis (320.7k followers) 18 h ago · 31 likes · 8.7k views · view the original post on X. Kept by the Dev Radar as AI dev tools.
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