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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

May 25, 2026 · Apple M4 Pro

stablelm2:1.6b

OLLAMA GGUF

stablelm · 2B · Q4_0

Marginal

Mar 2, 2026 · Apple M4

Global Score
94 vs 45
Hardware Fit
92 vs 100
Quality Score
95 vs 22

Hardware

gpt-oss:20b stablelm2:1.6b
MachineMacBook ProMacBook Air
CPUApple M4 ProApple M4
Cores1410
RAM48 GB32 GB
GPUApple M4 ProApple M4
OSmacOS 26.4.1macOS 26.3
Archarm64arm64
Power Modebalancedbalanced

Performance

gpt-oss:20b stablelm2:1.6b
Tokens/sec54.593.8
First chunk318 msN/A
TTFT2.9 s94 ms
Load time4.0 s0.4 s
Memory usage16.4 GB1.1 GB
Memory %34%3%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
13/20
Memory
29/30

stablelm2:1.6b

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

Quality

gpt-oss:20b

Reasoning
19/20
Coding
19/20
Instruction
17/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

stablelm2:1.6b

Reasoning
4/20
Coding
7/20
Instruction
6/20
Structured
1/15
Math
2/15
Multilingual
2/10
Reasoning: Poor Coding: Weak Instruction Following: Weak Structured Output: Poor Math: Poor Multilingual: Poor
View gpt-oss:20b details | View stablelm2:1.6b 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