unsloth

gpt oss 120b

gpt oss 120b is a 116.8B mixture-of-experts gpt-oss model from unsloth, with about 21.2B parameters active per token. Configured context length is 131,072 tokens. License: apache-2.0. Quant sizes are the GGUF file bytes published on Hugging Face when a file exists.

Parameters117B / 21.2B active
Context128K
Attentionhybrid
Licenseapache-2.0

36 layers · 8 KV heads · head dim 64 · 18 sliding layers · GGUF repo · config

Quant file sizes

QuantFile sizeSource
F1660.9 GBHugging Face file bytes
UD-Q8_K_XL60.0 GBHugging Face file bytes
Q8_059.0 GBHugging Face file bytes
UD-Q6_K_XL58.9 GBHugging Face file bytes
Q6_K58.9 GBHugging Face file bytes
Q5_K_M58.6 GBHugging Face file bytes
Q5_K_S58.6 GBHugging Face file bytes
UD-Q4_K_XL58.7 GBHugging Face file bytes
Q4_K_M58.5 GBHugging Face file bytes
Q4_K_S58.4 GBHugging Face file bytes
Q4_158.4 GBHugging Face file bytes
Q4_058.3 GBHugging Face file bytes
Q3_K_M58.3 GBHugging Face file bytes
Q3_K_S58.3 GBHugging Face file bytes
Q2_K116.8 GBHugging Face file bytes

On common machines

DeviceVerdictQuantSpeed
GeForce RTX 4060 Ti 8GBWon't fitQ3_K_S—
GeForce RTX 3060 12GBWon't fitQ3_K_S—
GeForce RTX 4060 Ti 16GBWon't fitQ3_K_S—
GeForce RTX 4090Won't fitQ3_K_S—
GeForce RTX 5090Won't fitQ3_K_S—
Apple M4 ProWon't fitQ3_K_S—
Apple M5Won't fitQ3_K_S—
CPU only · DDR5-5600Won't fitQ3_K_S—

Smallest devices that fit it fully

Run it

Commands for the GeForce RTX 4060 Ti 16GB estimate (Q3_K_S).

llama.cpp
llama-server -hf unsloth/gpt-oss-120b-GGUF:Q3_K_S -c 2048 -ngl 0

No matching name in the Ollama library snapshot.

LM Studio
lms get unsloth/gpt-oss-120b-GGUF
# Then load quant Q3_K_S