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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Apr 1, 2026 · Apple M4

qwen3.5:4b

OLLAMA GGUF

qwen35 · 4.7B · Q4_K_M

Good

Aug 23, 2026 · Apple M1 Pro

Global Score
87 vs 69
Hardware Fit
83 vs 86
Quality Score
88 vs 62

Hardware

gpt-oss:20b qwen3.5:4b
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 qwen3.5:4b
Tokens/sec24.336.7
First chunk529 ms207 ms
TTFT4.5 s6.6 s
Load time11.2 s3.0 s
Memory usage13.1 GB5.3 GB
Memory %55%33%

HW Fit Score Breakdown

gpt-oss:20b

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

qwen3.5:4b

Speed
50/50
TTFT
7/20
Memory
29/30

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

qwen3.5:4b

Reasoning
16/20
Coding
1/20
Instruction
14/20
Structured
9/15
Math
12/15
Multilingual
10/10
Reasoning: Strong Coding: Poor Instruction Following: Adequate Structured Output: Adequate Math: Strong Multilingual: Strong
View gpt-oss:20b details | View qwen3.5:4b 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