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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Mar 10, 2026 · Apple M4

gemma4:12b

OLLAMA GGUF

gemma4 · 11.9B · Q4_K_M

Excellent

Jul 4, 2026 · Apple M2 Pro

Global Score
83 vs 89
Hardware Fit
65 vs 88
Quality Score
90 vs 89

Hardware

gpt-oss:20b gemma4:12b
MachineMac miniMacBook Pro
CPUApple M4Apple M2 Pro
Cores1010
RAM24 GB16 GB
GPUApple M4Apple M2 Pro
OSmacOS 26.3macOS 26.5
Archarm64arm64
Power Modebalancedbalanced

Performance

gpt-oss:20b gemma4:12b
Tokens/sec17.118.5
First chunk705 ms752 ms
TTFT10.2 s752 ms
Load time23.1 s6.1 s
Memory usage13.1 GB7.5 GB
Memory %55%47%

HW Fit Score Breakdown

gpt-oss:20b

Speed
37/50
TTFT
5/20
Memory
23/30

gemma4:12b

Speed
42/50
TTFT
20/20
Memory
26/30

Quality

gpt-oss:20b

Reasoning
19/20
Coding
18/20
Instruction
13/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

gemma4:12b

Reasoning
17/20
Coding
18/20
Instruction
17/20
Structured
15/15
Math
12/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
View gpt-oss:20b details | View gemma4:12b details

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