gpt-oss 120B (gpt-oss)
Parameters: 117B
Mixture of experts: yes
Active parameters (MoE): 5.1B
Q4_K_M size: 59.03 GB
Minimum RAM for Q4: 64 GB
Default context length: 128K
Release: 2025-08
Ollama tag: gpt-oss:120b
Ollama default download: 60.88 GB
Hugging Face: openai/gpt-oss-120b
HF downloads: 4183948
HF likes: 4947
Model license: Apache-2.0 (commercial use: yes)
Aider polyglot: 41.8%
Notes: OpenAI gpt-oss 120B, MoE (5.1B active). Native MXFP4; the official ggml-org GGUF is ~59GB, so it fits an 80GB GPU or a 96GB+ Mac.