Key Info
Step 5 Preview is now live on OpenRouter, with a week of free access rolling out today across multiple coding and agent tools including opencode, cline, NousResearch, and kilocode.
Highlights
- Positioned as flagship-tier intelligence for agentic and professional work at substantially lower task cost
- Free access period is one week and is being rolled out across partner tools
- Aimed at letting users keep their existing workflow while switching models
- StepFun also published links to a model overview with benchmarks and demos, plus technical specs and API docs
