Step 5 Preview goes live on DeepInfra with 1M-token context
AI summary
StepFun said its Step 5 Preview model is now available on DeepInfra, giving developers another route to call the preview release. According to the two companies, it is a 600B-parameter open-weight MoE with 27B active parameters, a 1M-token context window, text and vision input and FP8 precision, priced at $1.00 per 1M input tokens, $2.70 per 1M output tokens and $0.05 per 1M cached tokens. StepFun describes it as built for long-horizon agents in coding, frontend and finance work.
In-depth insight
A large open-weight MoE model arriving on a pay-per-token inference platform lowers the barrier for developers to try long-context agent workflows.