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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Apr 1, 2026 · Apple M4

gemma4:12b

OLLAMA GGUF

gemma4 · 11.9B · Q4_K_M

Not Rec.

Aug 22, 2026 · Apple M1 Pro

Global Score
87 vs 63
Hardware Fit
83 vs 62
Quality Score
88 vs 63

Hardware

gpt-oss:20b gemma4:12b
MachineMac miniMacBook Pro
CPUApple M4Apple M1 Pro
Cores1010
RAM24 GB16 GB
GPUApple M4Apple M1 Pro
OSmacOS 26.3macOS 26.6.2
Archarm64arm64
Power Modebalancedbalanced

Performance

gpt-oss:20b gemma4:12b
Tokens/sec24.315.3
First chunk529 ms1142 ms
TTFT4.5 s30.0 s
Load time11.2 s5.4 s
Memory usage13.1 GB7.6 GB
Memory %55%47%

HW Fit Score Breakdown

gpt-oss:20b

Speed
49/50
TTFT
11/20
Memory
23/30

gemma4:12b

Speed
36/50
TTFT
0/20
Memory
26/30

Quality

gpt-oss:20b

Reasoning
19/20
Coding
19/20
Instruction
11/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

gemma4:12b

Reasoning
10/20
Coding
10/20
Instruction
9/20
Structured
14/15
Math
10/15
Multilingual
10/10
Reasoning: Weak Coding: Adequate Instruction Following: Weak Structured Output: Strong Math: Adequate 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