openai/gpt-oss-20b
LM-STUDIO GGUFgpt-oss · 20B · MXFP4
Apr 24, 2026 · AMD Ryzen 5 5500
GPT-20B:20b
OLLAMA GGUFgptoss · 20.9B · MXFP4
Aug 24, 2026 · Intel Core™ Ultra X7 358H
Global Score
90 vs 78
Hardware Fit
88 vs 59
Quality Score
91 vs 86
Hardware
openai/gpt-oss-20b GPT-20B:20b
MachineASUSGMKtec NucBox EVO-T2S
CPUAMD Ryzen 5 5500Intel Core™ Ultra X7 358H
Cores1216
RAM31 GB64 GB
GPUNavi 44 [Radeon RX 9060 XT]Intel(R) Arc(TM) B390 GPU
OSNobara Linux 43Microsoft Windows 11 Pro 10.0.26200
Archx64x64
Power Modeperformancebalanced
Performance
openai/gpt-oss-20b GPT-20B:20b
Tokens/sec58.719.6
First chunk6 ms2068 ms
TTFT4.5 s9.9 s
Load timeN/A12.8 s
Memory usage11.9 GB12.9 GB
Memory %38%20%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
10/20
Memory
28/30
GPT-20B:20b
Speed
26/50
TTFT
3/20
Memory
30/30
Quality
openai/gpt-oss-20b
Reasoning
18/20
Coding
15/20
Instruction
18/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
GPT-20B:20b
Reasoning
18/20
Coding
18/20
Instruction
11/20
Structured
14/15
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