openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Mar 4, 2026 · Apple M4
qwen3.5-27b
LM-STUDIO MLXqwen3_5 · 27B · 4bit
Mar 3, 2026 · Apple M4
Global Score
94 vs 75
Hardware Fit
100 vs 54
Quality Score
92 vs 84
Hardware
openai/gpt-oss-20b qwen3.5-27b
MachineMacBook AirMacBook Air
CPUApple M4Apple M4
Cores1010
RAM32 GB32 GB
GPUApple M4Apple M4
OSmacOS 26.3macOS 26.3
Archarm64arm64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b qwen3.5-27b
Tokens/sec40.76.6
First chunk824 ms4364 ms
TTFT1.3 s4.4 s
Load timeN/AN/A
Memory usage11.3 GB15.0 GB
Memory %35%47%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
20/20
Memory
30/30
qwen3.5-27b
Speed
13/50
TTFT
11/20
Memory
30/30
Quality
openai/gpt-oss-20b
Reasoning
20/20
Coding
18/20
Instruction
15/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
qwen3.5-27b
Reasoning
17/20
Coding
18/20
Instruction
11/20
Structured
15/15
Math
13/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong
Run yours and compare
$
npm install -g metrillm@latest$
metrillmRequires Node 20+ and Ollama or LM Studio running
Or run without installing: npx metrillm@latest