Models · Stepfun
Step 5 Preview
Released 8 Oct 2026Sees imagesTool useReasoning
Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and professional...
Input$1.00₹88 · per 1M tokens
Output$2.70₹238 · per 1M tokens
Context1Mtokens it can read at once
Max output64Ktokens per reply
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What would it cost?
- Step 5 Preview$23.10 · ₹2,033 a month · $0.002 · ₹0.2 each
Estimate from list prices per token, at ₹88/$. Caching, batch discounts and taxes aren't included. A token is about ¾ of a word.