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gpt-oss:120b

OLLAMA GGUF

gptoss · 116.8B · MXFP4

Excellent

Oct 2, 2026 · Cortex-X925

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Mar 19, 2026 · Apple M4

Global Score
83 vs 77
Hardware Fit
64 vs 67
Quality Score
91 vs 81

Hardware

gpt-oss:120b openai/gpt-oss-20b
MachineNVIDIA NVIDIA_DGX_SparkMac mini
CPUCortex-X925Apple M4
Cores2010
RAM122 GB24 GB
GPUDevice 2e12Apple M4
OSUbuntu 24.04.5 LTSmacOS 26.3
Archarm64arm64
Power Modeperformancebalanced

Performance

gpt-oss:120b openai/gpt-oss-20b
Tokens/sec28.630.5
First chunk422 ms18 ms
TTFT2.5 s30.0 s
Load time9.9 sN/A
Memory usage60.1 GB15.8 GB
Memory %49%66%

HW Fit Score Breakdown

gpt-oss:120b

Speed
30/50
TTFT
9/20
Memory
25/30

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
17/30

Quality

gpt-oss:120b

Reasoning
19/20
Coding
19/20
Instruction
14/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

openai/gpt-oss-20b

Reasoning
19/20
Coding
11/20
Instruction
12/20
Structured
15/15
Math
14/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong
View gpt-oss:120b details | View openai/gpt-oss-20b details

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