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StepFun launches 600B Step 5 Preview model with 1M context

StepFun launches Step 5 Preview, a 600B MoE model with 27B active parameters and a 1M-token context window aimed at long-horizon agentic workloads.

today · 02:00:00 · primary fetch1 sourceupdated today · 02:00:00

StepFun has launched Step 5 Preview, a 600B-total, 27B-active parameter Mixture-of-Experts (MoE) model designed for long-horizon agentic workloads with a 1M-token context window.

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marktechpost.comStepFun Launches Step 5 Preview: A 600B-Total, 27B-Active MoE Model With 1M Context for Long-Horizon Agentic Workprimary02:00:00