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Sponsored by
Vmake Labs Video Enhancer
Ex0bit / Step-3.5-Flash-PRISM-PRO-GGUF
Model's Last Updated: February 10 2026
text-generation
Introduction of Step-3.5-Flash-PRISM-PRO-GGUF
Model Details of Step-3.5-Flash-PRISM-PRO-GGUF
-blue){kind=icon}
Step-3.5-Flash-PRISM-PRO-GGUF
AVAILABLE TO PRISM VIP MEMEBERS ONLY: https://ko-fi.com/summary/1adf92d9-84f3-45c7-8136-8ab0ca39090d
GGUF quantization of Step-3.5-Flash-PRISM-PRO for local deployment with llama.cpp and compatible runtimes.
Full Production unrestricted/unchained PRISM-PRO version of StepFun's Step 3.5 Flash intended particularly for full over-refusal and propaganda mechanisms removal with the SOTA PRISM-PRO pipeline.
For Full Custom Production PRISM versions & tensors reach out.
Free PRISM-Lite version available here: https://hf.co/Ex0bit/Step-3.5-Flash-PRISM
Full precision safetensors: https://hf.co/Ex0bit/Step-3.5-Flash-PRISM-PRO
Support Our Work
If you enjoy our work and find it useful, please consider sponsoring or supporting us!
| Option | Description |
|---|---|
| PRISM VIP Membership | Access to all PRISM models |
| Bitcoin |
bc1qarq2pyn4psjpcxzp2ghgwaq6y2h4e53q232x8r
|
Quantization Details
| File | Quantization | Size |
|---|---|---|
Step-3.5-Flash-PRISM-PRO-IQ4_NL.gguf
|
IQ4_NL | ~111.5 GB |
Quick Start (llama.cpp)
./llama-cli -m Step-3.5-Flash-PRISM-PRO-IQ4_NL.gguf --jinja
Model Highlights
- PRISM Ablation — State-of-the-art technique that removes over-refusal behaviors while preserving model capabilities
- 196B MoE Architecture — 196 billion total parameters with only 11 billion active per token across 288 fine-grained routed experts + 1 shared expert
- Multi-Token Prediction (MTP-3) — Predicts 4 tokens simultaneously, achieving 100-300 tok/s typical throughput (peaking at 350 tok/s)
- 256K Context Window — Cost-efficient long context via 3:1 Sliding Window Attention (SWA) ratio
- Frontier Reasoning & Coding — 97.3 on AIME 2025, 74.4% on SWE-bench Verified, 51.0% on Terminal-Bench 2.0
- Accessible Local Deployment — Runs on high-end consumer hardware (Mac Studio M4 Max, NVIDIA DGX Spark)
Hardware Requirements
| Setup | Details |
|---|---|
| GGUF INT4 (This Repo) | ~120 GB unified memory (Mac Studio M4 Max 128GB, DGX Spark, AMD Ryzen AI Max+ 395) |
Recommended Parameters
| Use Case | Temperature | Top-P | Max New Tokens |
|---|---|---|---|
| Agentic / Reasoning / Coding | 1.0 | 0.95 | 32768 |
| General Chat | 0.6 | 0.95 | 4096 |
License
This model is released under the PRISM Research License .
Acknowledgments
Based on Step 3.5 Flash by StepFun AI . See the technical report and blog post for more details on the base model.
Runs of Ex0bit Step-3.5-Flash-PRISM-PRO-GGUF on huggingface.co
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More Information About Step-3.5-Flash-PRISM-PRO-GGUF huggingface.co Model
Url of Step-3.5-Flash-PRISM-PRO-GGUF
Step-3.5-Flash-PRISM-PRO-GGUF huggingface.co Url
Provider of Step-3.5-Flash-PRISM-PRO-GGUF huggingface.co
Other API from Ex0bit
Updated:February 14 2026
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