Step 5 Preview hits DeepInfra day-zero: 600B MoE, 1M context, $1/M input tokens
StepFun_ai · x · 2026-10-16
StepFun announced Step 5 Preview is live on DeepInfra at day zero: a 600B open-weight MoE (27B active) with 1M-token context, text + vision input, FP8, priced at $1.00 in / $2.70 out / $0.05 cached per 1M tokens. It targets long-horizon agents across coding, frontend, and finance workloads.
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