StepFun's Step 5 Preview Now Available on OpenRouter

StepFun has launched its Step 5 Preview model on OpenRouter, offering flagship-tier intelligence for agentic and professional work at a substantially lower task cost. A week of free access begins today across multiple platforms, including opencode, Cline, NousResearch, and Kilocode.

Pricing is set at $1.00 per million input tokens and $2.70 per million output tokens, with cache hits offered at a 50% discount during launch, bringing the price down to just $0.05 per million tokens. Users can keep their existing workflow and simply switch their model to try Step 5 Preview.