gpt-oss-120b on Copilot+ PC Zero Config

gpt-oss-120b on Copilot+ PC Zero Config

Setting up this model locally is incredibly fast if you use the native CMD prompt.

Please follow the instructions listed below to get started.

The installer auto-downloads and deploys the entire model pack.

The installer will automatically analyze your hardware and select the optimal configuration.

🔧 Digest: 0263362270646eb2efd01e8e4ba205e8 • 🕒 Updated: 2026-06-27



  • CPU: modern architecture (Zen 3 / Alder Lake minimum)
  • RAM: minimum 16 GB for stable 8B model loading
  • Disk: high-speed SSD 120 GB to cache model layers
  • Graphics: TensorRT-LLM / vLLM inference engine compatible chip

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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July 4, 2026

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