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gemma4:12b-mlx

OLLAMA GGUF
Not Rec.

Aug 24, 2026 · Apple M1 Pro

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Apr 1, 2026 · Apple M4

Global Score
71 vs 82
Hardware Fit
76 vs 85
Quality Score
69 vs 81

Hardware

gemma4:12b-mlx openai/gpt-oss-20b
MachineMacBook ProMac mini
CPUApple M1 ProApple M4
Cores1010
RAM16 GB24 GB
GPUApple M1 ProApple M4
OSmacOS 26.6.2macOS 26.3
Archarm64arm64
Power Modebalancedbalanced

Performance

gemma4:12b-mlx openai/gpt-oss-20b
Tokens/sec25.031.8
First chunk787 ms32 ms
TTFT30.0 s8.4 s
Load time4.0 s22.7 s
Memory usage7.1 GB0.0 GB
Memory %45%0%

HW Fit Score Breakdown

gemma4:12b-mlx

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

openai/gpt-oss-20b

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

Quality

gemma4:12b-mlx

Reasoning
14/20
Coding
10/20
Instruction
9/20
Structured
15/15
Math
11/15
Multilingual
10/10
Reasoning: Adequate Coding: Adequate Instruction Following: Weak Structured Output: Strong Math: Adequate Multilingual: Strong

openai/gpt-oss-20b

Reasoning
19/20
Coding
14/20
Instruction
9/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Weak Structured Output: Strong Math: Strong Multilingual: Strong
View gemma4:12b-mlx details | View openai/gpt-oss-20b details

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$ metrillm

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Or run without installing: npx metrillm@latest