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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

May 25, 2026 · Apple M4 Pro

gemma4:e4b-mlx

OLLAMA GGUF
Not Rec.

Jul 7, 2026 · Apple M2 Pro

Global Score
94 vs 78
Hardware Fit
92 vs 72
Quality Score
95 vs 81

Hardware

gpt-oss:20b gemma4:e4b-mlx
MachineMacBook ProMacBook Pro
CPUApple M4 ProApple M2 Pro
Cores1410
RAM48 GB16 GB
GPUApple M4 ProApple M2 Pro
OSmacOS 26.4.1macOS 26.5
Archarm64arm64
Power Modebalancedbalanced

Performance

gpt-oss:20b gemma4:e4b-mlx
Tokens/sec54.526.9
First chunk318 ms222 ms
TTFT2.9 s222 ms
Load time4.0 s0.1 s
Memory usage16.4 GB15.4 GB
Memory %34%96%

HW Fit Score Breakdown

gpt-oss:20b

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

gemma4:e4b-mlx

Speed
50/50
TTFT
20/20
Memory
2/30

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:e4b-mlx

Reasoning
14/20
Coding
19/20
Instruction
15/20
Structured
15/15
Math
8/15
Multilingual
10/10
Reasoning: Adequate Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Adequate Multilingual: Strong
View gpt-oss:20b details | View gemma4:e4b-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