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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:latest

OLLAMA GGUF

qwen35 · 27.3B · Q4_K_M

Good

Oct 2, 2026 · AMD Ryzen 9 5950X 16-Core Processor

Global Score
84 vs 68
Hardware Fit
65 vs 22
Quality Score
92 vs 88

Hardware

openai/gpt-oss-20b qwen3.8:latest
MachineASUSSystem manufacturer
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorAMD Ryzen 9 5950X 16-Core Processor
Cores1632
RAM31 GB32 GB
GPUNVIDIA GeForce RTX 4090, RaphaelNVIDIA GeForce RTX 3090
OScachyos rollingMicrosoft Windows 11 Pro 10.0.26300
Archx64x64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b qwen3.8:latest
Tokens/sec221.510.0
First chunk5 ms1041 ms
TTFT30.0 s14.3 s
Load timeN/A22.3 s
Memory usage21.1 GB26.2 GB
Memory %69%82%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

qwen3.8:latest

Speed
12/50
TTFT
1/20
Memory
9/30

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:latest

Reasoning
19/20
Coding
19/20
Instruction
10/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong
View openai/gpt-oss-20b details | View qwen3.8:latest details

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