gpt-oss:20b
OLLAMA GGUFgptoss · 20.9B · MXFP4
Mar 5, 2026 · Intel Core™ Ultra 9 285K
openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Jul 17, 2026 · Apple M5 Max
Global Score
95 vs 83
Hardware Fit
98 vs 80
Quality Score
94 vs 84
Hardware
gpt-oss:20b openai/gpt-oss-20b
MachineASUSMacBook Pro
CPUIntel Core™ Ultra 9 285KApple M5 Max
Cores2418
RAM47 GB64 GB
GPUNVIDIA GeForce RTX 5090, Intel(R) GraphicsApple M5 Max
OSMicrosoft Windows 11 Pro 10.0.26200macOS 27.0
Archx64arm64
Power Modebalancedbalanced
Performance
gpt-oss:20b openai/gpt-oss-20b
Tokens/sec239.9131.7
First chunk180 ms7 ms
TTFT616 ms30.0 s
Load time4.3 sN/A
Memory usage13.9 GB15.8 GB
Memory %29%25%
HW Fit Score Breakdown
gpt-oss:20b
Speed
50/50
TTFT
20/20
Memory
28/30
openai/gpt-oss-20b
Speed
50/50
TTFT
0/20
Memory
30/30
Quality
gpt-oss:20b
Reasoning
19/20
Coding
19/20
Instruction
17/20
Structured
14/15
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
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
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