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GPT-20B:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Good

Aug 19, 2026 · Intel Core™ Ultra X7 358H

gpt-oss-20b

LM-STUDIO GGUF
Excellent

Mar 6, 2026 · Apple M4 Pro

Global Score
79 vs 95
Hardware Fit
59 vs 94
Quality Score
88 vs 95

Hardware

GPT-20B:20b gpt-oss-20b
MachineGMKtec NucBox EVO-T2SMac mini
CPUIntel Core™ Ultra X7 358HApple M4 Pro
Cores1614
RAM64 GB64 GB
GPUIntel(R) Arc(TM) B390 GPUApple M4 Pro
OSMicrosoft Windows 11 Pro 10.0.26200macOS 15.7.4
Archx64arm64
Power Modebalancedbalanced

Performance

GPT-20B:20b gpt-oss-20b
Tokens/sec19.3118.2
First chunk2004 ms471 ms
TTFT10.4 s2.2 s
Load time10.4 sN/A
Memory usage12.9 GB11.3 GB
Memory %20%18%

HW Fit Score Breakdown

GPT-20B:20b

Speed
26/50
TTFT
3/20
Memory
30/30

gpt-oss-20b

Speed
50/50
TTFT
14/20
Memory
30/30

Quality

GPT-20B:20b

Reasoning
19/20
Coding
18/20
Instruction
11/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate 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 GPT-20B:20b details | View gpt-oss-20b 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