openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Oct 20, 2026 · Apple M1 Pro
GPT-20B:20b
OLLAMA GGUFgptoss · 20.9B · MXFP4
Aug 19, 2026 · AMD Ryzen 9 9955HX3D 16-Core Processor
Global Score
83 vs 87
Hardware Fit
75 vs 81
Quality Score
87 vs 90
Hardware
openai/gpt-oss-20b GPT-20B:20b
MachineMacBook ProHP HyperX OMEN Gaming Laptop 16-ap1xxx
CPUApple M1 ProAMD Ryzen 9 9955HX3D 16-Core Processor
Cores1032
RAM32 GB31 GB
GPUApple M1 ProAMD Radeon(TM) 610M, NVIDIA GeForce RTX 5070 Laptop GPU
OSmacOS 15.6.1Microsoft Windows 11 Home 10.0.26200
Archarm64x64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b GPT-20B:20b
Tokens/sec43.236.9
First chunk46 ms902 ms
TTFT30.0 s4.2 s
Load timeN/A19.5 s
Memory usage15.8 GB13.1 GB
Memory %49%42%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
0/20
Memory
25/30
GPT-20B:20b
Speed
47/50
TTFT
7/20
Memory
27/30
Quality
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
GPT-20B:20b
Reasoning
19/20
Coding
17/20
Instruction
14/20
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
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Or run without installing: npx metrillm@latest