openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Mar 11, 2026 · Apple M4
openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Oct 20, 2026 · Apple M1 Pro
Global Score
95 vs 83
Hardware Fit
99 vs 75
Quality Score
93 vs 87
Hardware
openai/gpt-oss-20b openai/gpt-oss-20b
MachineMac miniMacBook Pro
CPUApple M4Apple M1 Pro
Cores1010
RAM24 GB32 GB
GPUApple M4Apple M1 Pro
OSmacOS 26.3macOS 15.6.1
Archarm64arm64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b openai/gpt-oss-20b
Tokens/sec29.343.2
First chunk21 ms46 ms
TTFT1.8 s30.0 s
Load time18.5 sN/A
Memory usage0.0 GB15.8 GB
Memory %0%49%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
19/20
Memory
30/30
openai/gpt-oss-20b
Speed
50/50
TTFT
0/20
Memory
25/30
Quality
openai/gpt-oss-20b
Reasoning
19/20
Coding
18/20
Instruction
16/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
openai/gpt-oss-20b
Reasoning
19/20
Coding
14/20
Instruction
15/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Strong 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