Back to leaderboard

openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Excellent

Apr 24, 2026 · AMD Ryzen 5 5500

qwen3.5:4b

OLLAMA GGUF

qwen35 · 4.7B · Q4_K_M

Not Rec.

Mar 5, 2026 · AMD RYZEN AI MAX+ 395

Global Score
90 vs 65
Hardware Fit
88 vs 73
Quality Score
91 vs 62

Hardware

openai/gpt-oss-20b qwen3.5:4b
MachineASUSAZW GTR Pro
CPUAMD Ryzen 5 5500AMD RYZEN AI MAX+ 395
Cores1232
RAM31 GB125 GB
GPUNavi 44 [Radeon RX 9060 XT]AMD Radeon 8060S
OSNobara Linux 43Ubuntu 24.04.4 LTS
Archx64x64
Power Modeperformancelow-power

Performance

openai/gpt-oss-20b qwen3.5:4b
Tokens/sec58.745.7
First chunk6 ms180 ms
TTFT4.5 s30.0 s
Load timeN/A5.3 s
Memory usage11.9 GB16.2 GB
Memory %38%13%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
10/20
Memory
28/30

qwen3.5:4b

Speed
43/50
TTFT
0/20
Memory
30/30

Quality

openai/gpt-oss-20b

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

qwen3.5:4b

Reasoning
17/20
Coding
1/20
Instruction
13/20
Structured
8/15
Math
13/15
Multilingual
10/10
Reasoning: Strong Coding: Poor Instruction Following: Adequate Structured Output: Adequate 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