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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-Opus-Distill-IQ3_XXS:latest

OLLAMA GGUF

qwen35 · 27.3B · IQ3_XXS

Good

Aug 19, 2026 · AMD Ryzen 7 9700X 8-Core Processor

Global Score
84 vs 73
Hardware Fit
65 vs 98
Quality Score
92 vs 62

Hardware

openai/gpt-oss-20b Qwen3.8-27B-Opus-D…
MachineASUSMicro-Star International Co., Ltd. MS-7E51
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorAMD Ryzen 7 9700X 8-Core Processor
Cores1616
RAM31 GB31 GB
GPUNVIDIA GeForce RTX 4090, RaphaelNVIDIA GeForce RTX 5080, AMD Radeon(TM) Graphics
OScachyos rollingMicrosoft Windows 11 Pro 10.0.26200
Archx64x64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b Qwen3.8-27B-Opus-D…
Tokens/sec221.561.4
First chunk5 ms381 ms
TTFT30.0 s381 ms
Load timeN/A0.2 s
Memory usage21.1 GB12.2 GB
Memory %69%39%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

Qwen3.8-27B-Opus-Distil…

Speed
50/50
TTFT
20/20
Memory
28/30

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-Opus-Distil…

Reasoning
17/20
Coding
18/20
Instruction
8/20
Structured
0/15
Math
13/15
Multilingual
6/10
Reasoning: Strong Coding: Strong Instruction Following: Weak Structured Output: Poor Math: Strong Multilingual: Adequate

Run yours and compare

$ npm install -g metrillm@latest
$ metrillm

Requires Node 20+ and Ollama or LM Studio running

Or run without installing: npx metrillm@latest