Launch gpt-oss-120b Windows 11 Quantized GGUF Direct EXE Setup

To get this model running locally in no time, utilize the built-in WSL tools.

Carefully read and apply the steps described below.

The script takes care of fetching the multi-gigabyte model weights.

The initial setup handles the heavy lifting, fine-tuning the environment for your device.

📘 Build Hash: cc0f5a9fa72227bebe1362089b0a6923 • 🗓 2026-06-28



  • Processor: next-gen chip for heavy context processing
  • RAM: 64 GB to avoid OOM crashes on large contexts
  • Storage:100 GB free space for HuggingFace cache folder
  • Graphics: CUDA Compute Capability 8.0+ required for flash-attention

The gpt-oss-120b is an open‑source large language model featuring 120 billion parameters, built to enable transparent research and commercial deployment. It employs a mixture‑of‑experts architecture that balances inference efficiency with high contextual coherence across diverse tasks. The model supports multiple languages and incorporates built‑in safety alignments to reduce hallucinations and improve reliability. Benchmarks show it outperforms many 70‑billion‑parameter systems on reasoning tasks while consuming less computational power than comparable 175‑billion‑parameter models. A dedicated community hub provides pre‑trained checkpoints, fine‑tuning scripts, and comprehensive documentation for developers and researchers.

Parameters 120 billion
Training Data Web‑scale corpora in multiple languages
Inference Latency ≈120 ms per 512‑token sequence on GPU
Model Size ≈180 GB (float16)
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