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hf.co/unsloth/gpt-oss-20b-GGUF:Q4_K_M

OLLAMA GGUF

gpt-oss · 20.9B · unknown

Excellent

Aug 24, 2026 · Apple M1 Pro

lfm2.5-thinking:1.2b

OLLAMA GGUF

lfm2 · 1.2B · Q4_K_M

Not Rec.

May 25, 2026 · Apple M4 Pro

Global Score
86 vs 60
Hardware Fit
75 vs 80
Quality Score
90 vs 52

Hardware

hf.co/unsloth/gpt-… lfm2.5-thinking:1.2b
MachineMacBook ProMacBook Pro
CPUApple M1 ProApple M4 Pro
Cores1014
RAM16 GB48 GB
GPUApple M1 ProApple M4 Pro
OSmacOS 26.6.2macOS 26.4.1
Archarm64arm64
Power Modebalancedbalanced

Performance

hf.co/unsloth/gpt-… lfm2.5-thinking:1.2b
Tokens/sec35.9227.0
First chunk1082 ms60 ms
TTFT5.2 s30.0 s
Load time8.2 s0.7 s
Memory usage11.1 GB2.6 GB
Memory %69%6%

HW Fit Score Breakdown

hf.co/unsloth/gpt-oss-2…

Speed
50/50
TTFT
10/20
Memory
15/30

lfm2.5-thinking:1.2b

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

Quality

hf.co/unsloth/gpt-oss-2…

Reasoning
19/20
Coding
17/20
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

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
View hf.co/unsloth/gpt-… details | View lfm2.5-thinking:1.2b details

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$ metrillm

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Or run without installing: npx metrillm@latest