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Step 3.5 Flash 8bit by mlx-community

By mlx-community · 263 downloads
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Step 3.5 Flash 8bit is an open-source language model by mlx-community. Features: 197b LLM, VRAM: 210.7GB, Context: 256K, License: apache-2.0, Quantized, LLM Explorer Score: 0.38, ELO: 1459.

  8-bit   8bit Base model:quantized:stepfun-a... Base model:stepfun-ai/step-3.5...   Conversational   Custom code   Mlx   Quantized   Region:us   Safetensors   Sharded   Step3p5   Tensorflow
Model Card on HF 🤗: https://huggingface.co/mlx-community/Step-3.5-Flash-8bit 

Step 3.5 Flash 8bit Benchmarks

LMSys ELO 1459 vs 1272 (so35) 14.7%
nn.n% — How the model compares to the reference models: Anthropic Sonnet 3.5 ("so35"), GPT-4o ("gpt4o") or GPT-4 ("gpt4").

Step 3.5 Flash 8bit Parameters and Internals

LLM NameStep 3.5 Flash 8bit
Repository 🤗https://huggingface.co/mlx-community/Step-3.5-Flash-8bit 
Base Model(s)  stepfun-ai/Step-3.5-Flash   stepfun-ai/Step-3.5-Flash
Model Size197b
Required VRAM210.7 GB
Updated2026-08-04
Maintainermlx-community
Model Typestep3p5
Model Files  4.6 GB: 1-of-43   4.9 GB: 2-of-43   5.0 GB: 3-of-43   5.0 GB: 4-of-43   5.0 GB: 5-of-43   4.9 GB: 6-of-43   5.0 GB: 7-of-43   5.0 GB: 8-of-43   5.0 GB: 9-of-43   4.9 GB: 10-of-43   5.0 GB: 11-of-43   5.0 GB: 12-of-43   5.0 GB: 13-of-43   4.9 GB: 14-of-43   5.0 GB: 15-of-43   5.0 GB: 16-of-43   5.0 GB: 17-of-43   4.9 GB: 18-of-43   5.0 GB: 19-of-43   5.0 GB: 20-of-43   5.0 GB: 21-of-43   4.9 GB: 22-of-43   5.0 GB: 23-of-43   5.0 GB: 24-of-43   5.0 GB: 25-of-43   4.9 GB: 26-of-43   5.0 GB: 27-of-43   5.0 GB: 28-of-43   5.0 GB: 29-of-43   4.9 GB: 30-of-43   5.0 GB: 31-of-43   5.0 GB: 32-of-43   5.0 GB: 33-of-43   4.9 GB: 34-of-43   5.0 GB: 35-of-43   5.0 GB: 36-of-43   5.0 GB: 37-of-43   4.9 GB: 38-of-43   5.0 GB: 39-of-43   5.0 GB: 40-of-43   5.0 GB: 41-of-43   4.9 GB: 42-of-43   2.2 GB: 43-of-43
Quantization Type8bit
Model ArchitectureStep3p5ForCausalLM
Licenseapache-2.0
Context Length262144
Model Max Length262144
Vocabulary Size128896
Torch Data Typebfloat16

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