Step 5 Preview, 600B MoE with 1M context, goes free and matches GPT-6 Luna
NousResearch · x · 2026-10-10
StepFun's Step 5 Preview is free on Nous Portal for a week. The model is a 600B total / 27B active MoE with 1M context and vision, scoring 33.89 on Hermes Index — the same score as GPT-6 Luna.
Related event: StepFun's Step 5 Preview Opens Free for a Week(2 posts)→
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