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Step 3.5 Flash Int4 Mixed AutoRound by Intel

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Step 3.5 Flash Int4 Mixed AutoRound is an open-source language model by Intel. Features: 27.9b LLM, VRAM: 48.4GB, Context: 256K, LLM Explorer Score: 0.31.

  Arxiv:2309.05516   4-bit   Auto-round Base model:quantized:stepfun-a... Base model:stepfun-ai/step-3.5...   Conversational   Custom code   Region:us   Safetensors   Sharded   Step3p5   Tensorflow
Model Card on HF 🤗: https://huggingface.co/Intel/Step-3.5-Flash-int4-mixed-AutoRound 

Step 3.5 Flash Int4 Mixed AutoRound Benchmarks

LLME Score: 0.30576
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 Int4 Mixed AutoRound (Intel/Step-3.5-Flash-int4-mixed-AutoRound)
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Step 3.5 Flash Int4 Mixed AutoRound Parameters and Internals

LLM NameStep 3.5 Flash Int4 Mixed AutoRound
Repository 🤗https://huggingface.co/Intel/Step-3.5-Flash-int4-mixed-AutoRound 
Base Model(s)  stepfun-ai/Step-3.5-Flash   stepfun-ai/Step-3.5-Flash
Model Size27.9b
Required VRAM48.4 GB
Updated2026-03-29
MaintainerIntel
Model Typestep3p5
Model Files  1.1 GB: 1-of-98   1.1 GB: 2-of-98   1.1 GB: 3-of-98   1.1 GB: 4-of-98   1.1 GB: 5-of-98   1.1 GB: 6-of-98   1.1 GB: 7-of-98   1.1 GB: 8-of-98   1.1 GB: 9-of-98   1.1 GB: 10-of-98   1.1 GB: 11-of-98   1.1 GB: 12-of-98   1.1 GB: 13-of-98   1.1 GB: 14-of-98   1.1 GB: 15-of-98   1.1 GB: 16-of-98   1.1 GB: 17-of-98   1.1 GB: 18-of-98   1.1 GB: 19-of-98   1.1 GB: 20-of-98   1.1 GB: 21-of-98   1.1 GB: 22-of-98   1.1 GB: 23-of-98   1.1 GB: 24-of-98   1.1 GB: 25-of-98   1.1 GB: 26-of-98   1.1 GB: 27-of-98   1.1 GB: 28-of-98   1.1 GB: 29-of-98   1.1 GB: 30-of-98   1.1 GB: 31-of-98   1.1 GB: 32-of-98   1.1 GB: 33-of-98   1.1 GB: 34-of-98   1.1 GB: 35-of-98   1.1 GB: 36-of-98   1.1 GB: 37-of-98   1.1 GB: 38-of-98   1.1 GB: 39-of-98   1.1 GB: 40-of-98   1.1 GB: 41-of-98   1.1 GB: 42-of-98   1.1 GB: 43-of-98   1.1 GB: 44-of-98
Model ArchitectureStep3p5ForCausalLM
Context Length262144
Model Max Length262144
Transformers Version4.57.6
Vocabulary Size128896

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