Back to leaderboard

gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Mar 19, 2026 · Apple M4

gemma4:12b-mlx

OLLAMA GGUF
Excellent

Jul 4, 2026 · Apple M2 Pro

Global Score
87 vs 84
Hardware Fit
79 vs 82
Quality Score
90 vs 85

Hardware

gpt-oss:20b gemma4:12b-mlx
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-mlx
Tokens/sec26.427.2
First chunk505 ms732 ms
TTFT6.7 s8.1 s
Load time10.5 s3.5 s
Memory usage13.1 GB7.1 GB
Memory %55%44%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
6/20
Memory
23/30

gemma4:12b-mlx

Speed
50/50
TTFT
6/20
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-mlx

Reasoning
16/20
Coding
17/20
Instruction
13/20
Structured
15/15
Math
14/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong
View gpt-oss:20b details | View gemma4:12b-mlx 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