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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Excellent

Apr 24, 2026 · AMD Ryzen 5 5500

gemma-3-4b-it-q4-k-m

OLLAMA GGUF

llama · 4B · Q4_K_M

Excellent

Jul 9, 2026 · Intel Core™ i5-10400

Global Score
90 vs 80
Hardware Fit
88 vs 100
Quality Score
91 vs 71

Hardware

openai/gpt-oss-20b gemma-3-4b-it-q4-k-m
MachineASUSMac Pro
CPUAMD Ryzen 5 5500Intel Core™ i5-10400
Cores1212
RAM31 GB32 GB
GPUNavi 44 [Radeon RX 9060 XT]AMD Radeon RX 6700 XT
OSNobara Linux 43macOS 26.5.1
Archx64x64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b gemma-3-4b-it-q4-k-m
Tokens/sec58.775.0
First chunk6 ms136 ms
TTFT4.5 s136 ms
Load timeN/A0.0 s
Memory usage11.9 GB0.8 GB
Memory %38%3%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

gemma-3-4b-it-q4-k-m

Speed
50/50
TTFT
20/20
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

gemma-3-4b-it-q4-k-m

Reasoning
11/20
Coding
17/20
Instruction
14/20
Structured
14/15
Math
5/15
Multilingual
10/10
Reasoning: Adequate Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Weak 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