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GPT-20B:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Good

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

openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Not Rec.

Jul 5, 2026 · AMD Ryzen 7 7800X3D 8-Core Processor

Global Score
79 vs 84
Hardware Fit
59 vs 65
Quality Score
88 vs 92

Hardware

GPT-20B:20b openai/gpt-oss-20b
MachineGMKtec NucBox EVO-T2SASUS
CPUIntel Core™ Ultra X7 358HAMD Ryzen 7 7800X3D 8-Core Processor
Cores1616
RAM64 GB31 GB
GPUIntel(R) Arc(TM) B390 GPUNVIDIA GeForce RTX 4090, Raphael
OSMicrosoft Windows 11 Pro 10.0.26200cachyos rolling
Archx64x64
Power Modebalancedperformance

Performance

GPT-20B:20b openai/gpt-oss-20b
Tokens/sec19.3221.5
First chunk2004 ms5 ms
TTFT10.4 s30.0 s
Load time10.4 sN/A
Memory usage12.9 GB21.1 GB
Memory %20%69%

HW Fit Score Breakdown

GPT-20B:20b

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

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
15/30

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

openai/gpt-oss-20b

Reasoning
19/20
Coding
15/20
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 openai/gpt-oss-20b details

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