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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Jun 25, 2026 · Cortex-X925

openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Excellent

Apr 24, 2026 · AMD Ryzen 5 5500

Global Score
92 vs 90
Hardware Fit
86 vs 88
Quality Score
95 vs 91

Hardware

gpt-oss:20b openai/gpt-oss-20b
MachineNVIDIA NVIDIA_DGX_SparkASUS
CPUCortex-X925AMD Ryzen 5 5500
Cores2012
RAM122 GB31 GB
GPUDevice 2e12Navi 44 [Radeon RX 9060 XT]
OSUbuntu 24.04.4 LTSNobara Linux 43
Archarm64x64
Power Modeperformanceperformance

Performance

gpt-oss:20b openai/gpt-oss-20b
Tokens/sec60.758.7
First chunk542 ms6 ms
TTFT3.2 s4.5 s
Load time12.0 sN/A
Memory usage12.0 GB11.9 GB
Memory %10%38%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
6/20
Memory
30/30

openai/gpt-oss-20b

Speed
50/50
TTFT
10/20
Memory
28/30

Quality

gpt-oss:20b

Reasoning
19/20
Coding
19/20
Instruction
17/20
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
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

Run yours and compare

$ npm install -g metrillm@latest
$ metrillm

Requires Node 20+ and Ollama or LM Studio running

Or run without installing: npx metrillm@latest