Step 5 Preview was offered free for one week through Nous Portal in October 2026
StepFun calls it its flagship model for agentic and professional work, inviting people to try it with Hermes Agent.
TLDR
On October 8, 2026, StepFun said Step 5 Preview was free for one week through Nous Research’s Nous Portal. The company described it as its flagship model for agentic and professional work and invited people to try it with Hermes Agent and share what they build.
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