openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Jul 17, 2026 · Apple M5 Max
GPT-120B:120b
OLLAMA GGUFgptoss · 116.8B · MXFP4
Aug 18, 2026 · Intel Core™ i7-14700F
Global Score
83 vs 66
Hardware Fit
80 vs 14
Quality Score
84 vs 88
Hardware
openai/gpt-oss-20b GPT-120B:120b
MachineMacBook ProHP OMEN 35L VALORANT Limited Edition Gaming Desktop PC
CPUApple M5 MaxIntel Core™ i7-14700F
Cores1828
RAM64 GB64 GB
GPUApple M5 MaxNVIDIA GeForce RTX 5080
OSmacOS 27.0Microsoft Windows 11 Enterprise 10.0.26200
Archarm64x64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b GPT-120B:120b
Tokens/sec131.710.1
First chunk7 ms6562 ms
TTFT30.0 s10.3 s
Load timeN/A49.8 s
Memory usage15.8 GB61.5 GB
Memory %25%96%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
0/20
Memory
30/30
GPT-120B:120b
Speed
10/50
TTFT
2/20
Memory
2/30
Quality
openai/gpt-oss-20b
Reasoning
18/20
Coding
13/20
Instruction
14/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong
GPT-120B:120b
Reasoning
18/20
Coding
19/20
Instruction
11/20
Structured
15/15
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