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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

May 25, 2026 · Apple M4 Pro

gemma4:31b

OLLAMA GGUF

gemma4 · 31.3B · Q4_K_M

Excellent

Jul 7, 2026 · Cortex-X925

Global Score
94 vs 83
Hardware Fit
92 vs 60
Quality Score
95 vs 93

Hardware

gpt-oss:20b gemma4:31b
MachineMacBook ProASUSTeK COMPUTER INC. GX10
CPUApple M4 ProCortex-X925
Cores1420
RAM48 GB122 GB
GPUApple M4 ProDevice 2e12
OSmacOS 26.4.1Ubuntu 24.04.4 LTS
Archarm64arm64
Power Modebalancedperformance

Performance

gpt-oss:20b gemma4:31b
Tokens/sec54.510.9
First chunk318 ms681 ms
TTFT2.9 s681 ms
Load time4.0 s16.6 s
Memory usage16.4 GB21.4 GB
Memory %34%18%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
13/20
Memory
29/30

gemma4:31b

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

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

gemma4:31b

Reasoning
19/20
Coding
19/20
Instruction
17/20
Structured
15/15
Math
14/15
Multilingual
9/10
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