Back to leaderboard

gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Apr 1, 2026 · Apple M4

qwen3.5-27b

LM-STUDIO GGUF

qwen35 · 27B · Q4_K_M

Not Rec.

Mar 6, 2026 · Apple M4 Pro

Global Score
87 vs 26
Hardware Fit
83 vs 63
Quality Score
88 vs 10

Hardware

gpt-oss:20b qwen3.5-27b
MachineMac miniMac mini
CPUApple M4Apple M4 Pro
Cores1014
RAM24 GB64 GB
GPUApple M4Apple M4 Pro
OSmacOS 26.3macOS 15.7.4
Archarm64arm64
Power Modebalancedbalanced

Performance

gpt-oss:20b qwen3.5-27b
Tokens/sec24.39.5
First chunk529 ms1099 ms
TTFT4.5 s1.1 s
Load time11.2 sN/A
Memory usage13.1 GB16.3 GB
Memory %55%25%

HW Fit Score Breakdown

gpt-oss:20b

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

qwen3.5-27b

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

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

qwen3.5-27b

Reasoning
0/20
Coding
0/20
Instruction
2/20
Structured
0/15
Math
1/15
Multilingual
7/10
Reasoning: Poor Coding: Poor Instruction Following: Poor Structured Output: Poor Math: Poor Multilingual: Adequate
View gpt-oss:20b details | View qwen3.5-27b 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