Open weight release on October 15th
This is a AI post classified by Jev as Frontier models (a model release), kept by the AI Radar because it carries real work, not commentary.
Step 5 preview is here. - 600B total parameter - 27B active per token - 1M token context - Vision support Open weight release on October 15th Beats or at same level as Kimi-k3, GLM-5.3 across many benchmarks while being way smaller. Exiciting releases happening in October!
Posted by AJ (7.6k followers) 1 h ago · 18 likes · 757 views · view the original post on X. Kept by the AI Radar as Frontier models. Tools mentioned: StepFun Open Platform, 阶跃星辰.
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