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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Jun 25, 2026 · Cortex-X925

gpt-oss:120b

OLLAMA GGUF

gptoss · 116.8B · MXFP4

Excellent

Oct 2, 2026 · Cortex-X925

Global Score
92 vs 83
Hardware Fit
86 vs 64
Quality Score
95 vs 91

Hardware

gpt-oss:20b gpt-oss:120b
MachineNVIDIA NVIDIA_DGX_SparkNVIDIA NVIDIA_DGX_Spark
CPUCortex-X925Cortex-X925
Cores2020
RAM122 GB122 GB
GPUDevice 2e12Device 2e12
OSUbuntu 24.04.4 LTSUbuntu 24.04.5 LTS
Archarm64arm64
Power Modeperformanceperformance

Performance

gpt-oss:20b gpt-oss:120b
Tokens/sec60.728.6
First chunk542 ms422 ms
TTFT3.2 s2.5 s
Load time12.0 s9.9 s
Memory usage12.0 GB60.1 GB
Memory %10%49%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
6/20
Memory
30/30

gpt-oss:120b

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

Quality

gpt-oss:20b

Reasoning
19/20
Coding
19/20
Instruction
17/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

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

Run yours and compare

$ npm install -g metrillm@latest
$ metrillm

Requires Node 20+ and Ollama or LM Studio running

Or run without installing: npx metrillm@latest