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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

gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Jun 26, 2026 · Cortex-X925

Global Score
86 vs 93
Hardware Fit
75 vs 87
Quality Score
90 vs 95

Hardware

hf.co/unsloth/gpt-… gpt-oss:20b
MachineMacBook ProNVIDIA NVIDIA_DGX_Spark
CPUApple M1 ProCortex-X925
Cores1020
RAM16 GB122 GB
GPUApple M1 ProDevice 2e12
OSmacOS 26.6.2Ubuntu 24.04.4 LTS
Archarm64arm64
Power Modebalancedperformance

Performance

hf.co/unsloth/gpt-… gpt-oss:20b
Tokens/sec35.960.5
First chunk1082 ms527 ms
TTFT5.2 s3.1 s
Load time8.2 s14.0 s
Memory usage11.1 GB12.0 GB
Memory %69%10%

HW Fit Score Breakdown

hf.co/unsloth/gpt-oss-2…

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

gpt-oss:20b

Speed
50/50
TTFT
7/20
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

gpt-oss:20b

Reasoning
19/20
Coding
18/20
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
View hf.co/unsloth/gpt-… details | View gpt-oss:20b details

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$ metrillm

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Or run without installing: npx metrillm@latest