StepZen Launches Step5Preview, with a Single Task Cost of Only 1/8 of Claude Opus5
StepZen launches its flagship base model, Step5Preview, targeting scenarios such as AI programming, software engineering, professional knowledge, and finance. It enhances Agentic task performance while balancing intelligence, cost, and efficiency. The model ranks in the top three of global open-source models in the AA comprehensive intelligence index. The single-task cost is only 1/8 of Claude Opus5, and it uses a sparse MoE architecture. It is planned to be officially open-sourced on October 15th.