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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-vl-4b-instruct-q4_k_m

OPENAI GGUF
Good

Apr 22, 2026 · Apple M2 Max

Global Score
84 vs 62
Hardware Fit
65 vs 100
Quality Score
92 vs 46

Hardware

openai/gpt-oss-20b qwen3-vl-4b-instru…
MachineASUSMac Studio
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorApple M2 Max
Cores1612
RAM31 GB96 GB
GPUNVIDIA GeForce RTX 4090, RaphaelApple M2 Max
OScachyos rollingmacOS 26.1
Archx64arm64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b qwen3-vl-4b-instru…
Tokens/sec221.567.2
First chunk5 ms66 ms
TTFT30.0 s68 ms
Load timeN/A0.0 s
Memory usage21.1 GB0.2 GB
Memory %69%0%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

qwen3-vl-4b-instruct-q4…

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

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-vl-4b-instruct-q4…

Reasoning
16/20
Coding
0/20
Instruction
12/20
Structured
1/15
Math
8/15
Multilingual
9/10
Reasoning: Strong Coding: Poor Instruction Following: Adequate Structured Output: Poor Math: Adequate Multilingual: Strong

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