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gpt-oss-20b

LM-STUDIO GGUF
Excellent

Mar 6, 2026 · Apple M4 Pro

GPT-120B:120b

OLLAMA GGUF

gptoss · 116.8B · MXFP4

Good

Aug 18, 2026 · Intel Core™ i7-14700F

Global Score
95 vs 79
Hardware Fit
94 vs 47
Quality Score
95 vs 93

Hardware

gpt-oss-20b GPT-120B:120b
MachineMac miniHP OMEN 35L VALORANT Limited Edition Gaming Desktop PC
CPUApple M4 ProIntel Core™ i7-14700F
Cores1428
RAM64 GB128 GB
GPUApple M4 ProNVIDIA GeForce RTX 5080
OSmacOS 15.7.4Microsoft Windows 11 Enterprise 10.0.26200
Archarm64x64
Power Modebalancedbalanced

Performance

gpt-oss-20b GPT-120B:120b
Tokens/sec118.218.2
First chunk471 ms1719 ms
TTFT2.2 s3.9 s
Load timeN/A50.9 s
Memory usage11.3 GB61.5 GB
Memory %18%48%

HW Fit Score Breakdown

gpt-oss-20b

Speed
50/50
TTFT
14/20
Memory
30/30

GPT-120B:120b

Speed
17/50
TTFT
5/20
Memory
25/30

Quality

gpt-oss-20b

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

GPT-120B:120b

Reasoning
19/20
Coding
19/20
Instruction
15/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
View gpt-oss-20b details | View GPT-120B:120b details

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