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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Mar 10, 2026 · Apple M4

gpt-oss:120b

OLLAMA GGUF

gptoss · 116.8B · MXFP4

Excellent

Oct 2, 2026 · Cortex-X925

Global Score
83 vs 83
Hardware Fit
65 vs 64
Quality Score
90 vs 91

Hardware

gpt-oss:20b gpt-oss:120b
MachineMac miniNVIDIA NVIDIA_DGX_Spark
CPUApple M4Cortex-X925
Cores1020
RAM24 GB122 GB
GPUApple M4Device 2e12
OSmacOS 26.3Ubuntu 24.04.5 LTS
Archarm64arm64
Power Modebalancedperformance

Performance

gpt-oss:20b gpt-oss:120b
Tokens/sec17.128.6
First chunk705 ms422 ms
TTFT10.2 s2.5 s
Load time23.1 s9.9 s
Memory usage13.1 GB60.1 GB
Memory %55%49%

HW Fit Score Breakdown

gpt-oss:20b

Speed
37/50
TTFT
5/20
Memory
23/30

gpt-oss:120b

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

Quality

gpt-oss:20b

Reasoning
19/20
Coding
18/20
Instruction
13/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate 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