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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Mar 10, 2026 · Apple M4

gemma4:31b

OLLAMA GGUF

gemma4 · 31.3B · Q4_K_M

Not Rec.

Apr 13, 2026 · Apple M4 Max

Global Score
83 vs 76
Hardware Fit
65 vs 46
Quality Score
90 vs 89

Hardware

gpt-oss:20b gemma4:31b
MachineMac miniMacBook Pro
CPUApple M4Apple M4 Max
Cores1016
RAM24 GB64 GB
GPUApple M4Apple M4 Max
OSmacOS 26.3macOS 26.3.1
Archarm64arm64
Power Modebalancedbalanced

Performance

gpt-oss:20b gemma4:31b
Tokens/sec17.122.4
First chunk705 ms565 ms
TTFT10.2 s30.0 s
Load time23.1 s6.9 s
Memory usage13.1 GB43.9 GB
Memory %55%69%

HW Fit Score Breakdown

gpt-oss:20b

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

gemma4:31b

Speed
30/50
TTFT
0/20
Memory
16/30

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

gemma4:31b

Reasoning
16/20
Coding
19/20
Instruction
16/20
Structured
15/15
Math
14/15
Multilingual
9/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
View gpt-oss:20b details | View gemma4:31b 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