Head-to-head token pricing, context window limits, and blended inference cost comparison between Step 5 Preview (StepFun) and Qwen 3.8 27B (Qwen).
Step 5 Preview costs 1.8x more than Qwen 3.8 27B on a 3:1 blended token workload. Step 5 Preview has a context window of 1000k tokens, while Qwen 3.8 27B provides 1000k tokens.