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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

qwen3.5:35b

OLLAMA GGUF

qwen35moe · 36.0B · Q4_K_M

Good

Mar 7, 2026 · Intel Core™ i5-14600KF

Global Score
84 vs 77
Hardware Fit
65 vs 53
Quality Score
92 vs 87

Hardware

openai/gpt-oss-20b qwen3.5:35b
MachineASUSASUS
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorIntel Core™ i5-14600KF
Cores1620
RAM31 GB32 GB
GPUNVIDIA GeForce RTX 4090, RaphaelNVIDIA GeForce RTX 4070 Ti SUPER
OScachyos rollingMicrosoft Windows 11 Famille 10.0.26200
Archx64x64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b qwen3.5:35b
Tokens/sec221.516.0
First chunk5 ms719 ms
TTFT30.0 s719 ms
Load timeN/A17.8 s
Memory usage21.1 GB25.0 GB
Memory %69%79%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

qwen3.5:35b

Speed
23/50
TTFT
20/20
Memory
10/30

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

qwen3.5:35b

Reasoning
17/20
Coding
18/20
Instruction
15/20
Structured
15/15
Math
12/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong 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