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Step 3.5 Flash Base by stepfun-ai

By stepfun-ai · 190 downloads
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Step 3.5 Flash Base is an open-source language model by stepfun-ai. Features: 197.8b LLM, VRAM: 6GB, License: apache-2.0, LLM Explorer Score: 0.25.

  Arxiv:2601.05593   Arxiv:2602.10604   Custom code   Region:us   Safetensors   Step3p5
Model Card on HF 🤗: https://huggingface.co/stepfun-ai/Step-3.5-Flash-Base 

Step 3.5 Flash Base Parameters and Internals

LLM NameStep 3.5 Flash Base
Repository 🤗https://huggingface.co/stepfun-ai/Step-3.5-Flash-Base 
Model Size197.8b
Required VRAM6 GB
Updated2026-08-08
Maintainerstepfun-ai
Model Typestep3p5
Model Files  9.9 GB   8.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   9.1 GB   6.0 GB
Model ArchitectureStep3p5ForCausalLM
Licenseapache-2.0
Vocabulary Size128815
Torch Data Typebfloat16

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