Step 5 Preview of the next-generation flagship pedestal model is released, focusing on AI programming, software engineering, professional knowledge work, finance, etc., improving the overall performance of the model in real-world Agentic tasks, achieving a good balance between capability, cost, efficiency, and scenario coverage, and further expanding the optimal boundary between intelligence and cost. Step 5 Preview ranks among the world's top three open source lists in the Artificial Analysis Intelligence Index. Notably, the model's single-task cost is only 1/8 of the Claude Opus 5. According to information, Step 5 Preview will be officially open sourced on October 15.

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