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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Excellent

Apr 24, 2026 · AMD Ryzen 5 5500

gemma4:26b

OLLAMA GGUF

gemma4 · 25.8B · Q4_K_M

Not Rec.

Jul 7, 2026 · Cortex-X925

Global Score
90 vs 88
Hardware Fit
88 vs 80
Quality Score
91 vs 92

Hardware

openai/gpt-oss-20b gemma4:26b
MachineASUSASUSTeK COMPUTER INC. GX10
CPUAMD Ryzen 5 5500Cortex-X925
Cores1220
RAM31 GB122 GB
GPUNavi 44 [Radeon RX 9060 XT]Device 2e12
OSNobara Linux 43Ubuntu 24.04.4 LTS
Archx64arm64
Power Modeperformanceperformance

Performance

openai/gpt-oss-20b gemma4:26b
Tokens/sec58.766.7
First chunk6 ms583 ms
TTFT4.5 s30.0 s
Load timeN/A6.7 s
Memory usage11.9 GB17.6 GB
Memory %38%15%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

gemma4:26b

Speed
50/50
TTFT
0/20
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

gemma4:26b

Reasoning
19/20
Coding
17/20
Instruction
17/20
Structured
15/15
Math
14/15
Multilingual
10/10
Reasoning: Strong Coding: Strong 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