05:06
2026-09-22
twitter.com
large-language-models
StepFun teases Step 5 Preview, a 600B/27B MoE, open weights coming Oct 15
StepFun announced Step 5 Preview, a 600B total / 27B active mixture-of-experts flagship model for agentic work with 1M context and vision, and said open weights will be released on Oct 15. StepFun claβ¦