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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

qwen/qwen3.5-35b-a3b

LM-STUDIO GGUF

qwen35moe · 35B · Q6_K

Not Rec.

Sep 19, 2026 · AMD Ryzen 7 5800X 8-Core Processor

Global Score
84 vs 72
Hardware Fit
65 vs 35
Quality Score
92 vs 88

Hardware

openai/gpt-oss-20b qwen/qwen3.5-35b-a3b
MachineASUSSystem manufacturer
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorAMD Ryzen 7 5800X 8-Core Processor
Cores1616
RAM31 GB32 GB
GPUNVIDIA GeForce RTX 4090, RaphaelAMD Radeon RX 9060 XT
OScachyos rollingMicrosoft Windows 11 Home 10.0.26200
Archx64x64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b qwen/qwen3.5-35b-a3b
Tokens/sec221.58.3
First chunk5 ms32 ms
TTFT30.0 s2.0 s
Load timeN/AN/A
Memory usage21.1 GB28.9 GB
Memory %69%91%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

qwen/qwen3.5-35b-a3b

Speed
13/50
TTFT
17/20
Memory
5/30

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

qwen/qwen3.5-35b-a3b

Reasoning
16/20
Coding
19/20
Instruction
16/20
Structured
15/15
Math
12/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
View openai/gpt-oss-20b details | View qwen/qwen3.5-35b-a3b details

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