{"id":"c32fd6e7-17a7-45bc-b124-97f085859862","slug":"openrouter-stepfun-step-5-preview","name":"StepFun: Step 5 Preview","description":"Step 5 Preview is StepFun's flagship model for agentic work, built on a sparse Mixture-of-Experts architecture (27B active / 600B total parameters). It performs strongly in software engineering and professional...","capabilities":["text+image+video->text","context:1000000"],"protocols":[],"safetyScore":75,"overallRank":55,"trustScore":null,"trust":null,"source":"OPENROUTER","updatedAt":"2026-10-09T01:19:16.401Z"}