gpt-oss:20b
OLLAMA GGUFgptoss · 20.9B · MXFP4
May 25, 2026 · Apple M4 Pro
gpt-oss:120b
OLLAMA GGUFgptoss · 116.8B · MXFP4
Oct 2, 2026 · Cortex-X925
Global Score
94 vs 83
Hardware Fit
92 vs 64
Quality Score
95 vs 91
Hardware
gpt-oss:20b gpt-oss:120b
MachineMacBook ProNVIDIA NVIDIA_DGX_Spark
CPUApple M4 ProCortex-X925
Cores1420
RAM48 GB122 GB
GPUApple M4 ProDevice 2e12
OSmacOS 26.4.1Ubuntu 24.04.5 LTS
Archarm64arm64
Power Modebalancedperformance
Performance
gpt-oss:20b gpt-oss:120b
Tokens/sec54.528.6
First chunk318 ms422 ms
TTFT2.9 s2.5 s
Load time4.0 s9.9 s
Memory usage16.4 GB60.1 GB
Memory %34%49%
HW Fit Score Breakdown
gpt-oss:20b
Speed
50/50
TTFT
13/20
Memory
29/30
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$
metrillmRequires Node 20+ and Ollama or LM Studio running
Or run without installing: npx metrillm@latest