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StepFun released Step 5 Preview, a 600 billion parameter open-weights AI model using a sparse Mixture of Experts architecture, available on Hugging Face and ModelScope with support from vLLM and SGLang.
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- SOURCE@stepfun_ai“Built for long-horizon agentic work: coding, software engineering, professional knowledge work and finance”x.com
- SUPPORT@adinayakup“they're back in the game with a new flagship: Step-5-Preview”x.com
- SUPPORT@sgl_project“SGLang brings Day-0 support for Step 5 Preview”x.com
- SUPPORT@vllm_project“serving work across Blackwell and Hopper”x.com
- SUPPORT@vllm_project“Day-0 RL support for Step 5 Preview with verl!”x.com
- SOURCEhuggingnewshuggingnews.com
- SOURCEmarktechpost.com