StepFun on X: “Strong performance, now within reach of more builders through Nous Por…”

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StepFun on X: “Strong performance, now within reach of more builders through Nous Por…” | PeekX

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Strong performance, now within reach of more builders through Nous Portal.

Step 5 Preview is free to explore for this week.

Nous Research@NousResearch · Oct 9

Step 5 Preview from @StepFun_ai is free on Nous Portal for the next week

600B total / 27B active MoE, 1M context, with vision

Step 5 Preview scored 33.89 on Hermes Index, the same score as GPT-6 Luna

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Oct 9, 2026, 9:31 PM UTC

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