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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Not Rec.

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

Qwen3.8-27B-UD-Q3_K_XL

OLLAMA GGUF

llama · 27.3B · Q4_K

Excellent

Aug 23, 2026 · Intel Gen Intel® Core™ i5-12600K

Global Score
84 vs 90
Hardware Fit
65 vs 97
Quality Score
92 vs 87

Hardware

openai/gpt-oss-20b Qwen3.8-27B-UD-Q3_…
MachineASUS—
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorIntel Gen Intel® Core™ i5-12600K
Cores1616
RAM31 GB31 GB
GPUNVIDIA GeForce RTX 4090, RaphaelAlderLake-S GT1, AD106 [GeForce RTX 4060 Ti 16GB]
OScachyos rollingUbuntu 24.04.4 LTS
Archx64x64
Power Modeperformancelow-power

Performance

openai/gpt-oss-20b Qwen3.8-27B-UD-Q3_…
Tokens/sec221.539.0
First chunk5 ms305 ms
TTFT30.0 s305 ms
Load timeN/A0.0 s
Memory usage21.1 GB12.5 GB
Memory %69%41%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

Qwen3.8-27B-UD-Q3_K_XL

Speed
50/50
TTFT
20/20
Memory
27/30

Quality

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

Qwen3.8-27B-UD-Q3_K_XL

Reasoning
17/20
Coding
19/20
Instruction
15/20
Structured
15/15
Math
11/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
View openai/gpt-oss-20b details | View Qwen3.8-27B-UD-Q3_… details

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