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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Excellent

Nov 9, 2026 · Apple M3 Max

qwen3:0.6b

OLLAMA GGUF

qwen3 · 751.63M · Q4_K_M

Good

Mar 2, 2026 · Apple M4

Global Score
91 vs 73
Hardware Fit
90 vs 100
Quality Score
91 vs 62

Hardware

openai/gpt-oss-20b qwen3:0.6b
MachineMacBook ProMacBook Air
CPUApple M3 MaxApple M4
Cores1610
RAM128 GB32 GB
GPUApple M3 MaxApple M4
OSmacOS 27.2macOS 26.3
Archarm64arm64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b qwen3:0.6b
Tokens/sec95.1145.2
First chunk3 msN/A
TTFT2.5 s1.4 s
Load time9.2 s0.7 s
Memory usage0.0 GB4.1 GB
Memory %0%13%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
10/20
Memory
30/30

qwen3:0.6b

Speed
40/50
TTFT
30/20
Memory
30/30

Quality

openai/gpt-oss-20b

Reasoning
18/20
Coding
15/20
Instruction
18/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

qwen3:0.6b

Reasoning
14/20
Coding
3/20
Instruction
11/20
Structured
13/15
Math
13/15
Multilingual
8/10
Reasoning: Adequate Coding: Poor Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong
View openai/gpt-oss-20b details | View qwen3:0.6b details

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$ npm install -g metrillm@latest
$ metrillm

Requires Node 20+ and Ollama or LM Studio running

Or run without installing: npx metrillm@latest