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Step 5 Preview by stepfun-ai

By stepfun-ai · 2283 downloads
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Step 5 Preview is an open-source language model by stepfun-ai. Features: 604.3b LLM, VRAM: 2.2GB, License: other, LLM Explorer Score: 0.37.

  Eval-results   Fp8   Region:us   Safetensors   Step5 vl
Model Card on HF 🤗: https://huggingface.co/stepfun-ai/Step-5-Preview 

Step 5 Preview Parameters and Internals

LLM NameStep 5 Preview
Repository 🤗https://huggingface.co/stepfun-ai/Step-5-Preview 
Model Size604.3b
Required VRAM2.2 GB
Updated2026-10-22
Maintainerstepfun-ai
Model Typestep5_vl
Model Files  9.7 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   27.6 GB   41.2 GB   3.8 GB   2.2 GB   5.0 GB   4.0 GB   4.0 GB
Model ArchitectureStep5ForConditionalGeneration
Licenseother
Model Max Length131072
Tokenizer ClassLlamaTokenizerFast
Padding Token<｜end▁of▁sentence｜>

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Step 5 Preview BF160K / 2.2 GB43253
Note: green Score (e.g. "73.2") means that the model is better than stepfun-ai/Step-5-Preview.