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GPT-OSS-120B:120B

OLLAMA GGUF

gptoss · 116.8B · MXFP4

Not Rec.

Aug 18, 2026 · Intel Core™ Ultra X7 358H

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Mar 4, 2026 · Apple M4

Global Score
67 vs 94
Hardware Fit
21 vs 100
Quality Score
87 vs 92

Hardware

GPT-OSS-120B:120B openai/gpt-oss-20b
MachineGMKtec NucBox EVO-T2SMacBook Air
CPUIntel Core™ Ultra X7 358HApple M4
Cores1610
RAM64 GB32 GB
GPUIntel(R) Arc(TM) B390 GPUApple M4
OSMicrosoft Windows 11 Pro 10.0.26200macOS 26.3
Archx64arm64
Power Modebalancedbalanced

Performance

GPT-OSS-120B:120B openai/gpt-oss-20b
Tokens/sec11.740.7
First chunk4289 ms824 ms
TTFT9.2 s1.3 s
Load time84.1 sN/A
Memory usage61.0 GB11.3 GB
Memory %96%35%

HW Fit Score Breakdown

GPT-OSS-120B:120B

Speed
15/50
TTFT
4/20
Memory
2/30

openai/gpt-oss-20b

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

Quality

GPT-OSS-120B:120B

Reasoning
18/20
Coding
19/20
Instruction
10/20
Structured
15/15
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
20/20
Coding
18/20
Instruction
15/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

Run yours and compare

$ npm install -g metrillm@latest
$ metrillm

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Or run without installing: npx metrillm@latest