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lfm2.5-thinking:1.2b

OLLAMA GGUF

lfm2 · 1.2B · Q4_K_M

Not Rec.

May 25, 2026 · Apple M4 Pro

gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

May 25, 2026 · Apple M4 Pro

Global Score
60 vs 94
Hardware Fit
80 vs 92
Quality Score
52 vs 95

Hardware

lfm2.5-thinking:1.2b gpt-oss:20b
MachineMacBook ProMacBook Pro
CPUApple M4 ProApple M4 Pro
Cores1414
RAM48 GB48 GB
GPUApple M4 ProApple M4 Pro
OSmacOS 26.4.1macOS 26.4.1
Archarm64arm64
Power Modebalancedbalanced

Performance

lfm2.5-thinking:1.2b gpt-oss:20b
Tokens/sec227.054.5
First chunk60 ms318 ms
TTFT30.0 s2.9 s
Load time0.7 s4.0 s
Memory usage2.6 GB16.4 GB
Memory %6%34%

HW Fit Score Breakdown

lfm2.5-thinking:1.2b

Speed
50/50
TTFT
0/20
Memory
30/30

gpt-oss:20b

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

Quality

lfm2.5-thinking:1.2b

Reasoning
8/20
Coding
6/20
Instruction
10/20
Structured
7/15
Math
12/15
Multilingual
9/10
Reasoning: Weak Coding: Weak Instruction Following: Adequate Structured Output: Weak Math: Strong Multilingual: Strong

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

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