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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

Good

Aug 28, 2026 · Intel Core™ i5-10210U

Global Score
90 vs 64
Hardware Fit
88 vs 69
Quality Score
91 vs 62

Hardware

openai/gpt-oss-20b qwen3.5:4b
MachineASUSLENOVO 20U30029MB
CPUAMD Ryzen 5 5500Intel Core™ i5-10210U
Cores128
RAM31 GB15 GB
GPUNavi 44 [Radeon RX 9060 XT]CometLake-U GT2 [UHD Graphics]
OSNobara Linux 43Pop 24.04 LTS
Archx64x64
Power Modeperformanceperformance

Performance

openai/gpt-oss-20b qwen3.5:4b
Tokens/sec58.77.4
First chunk6 ms1815 ms
TTFT4.5 s1.8 s
Load timeN/A10.9 s
Memory usage11.9 GB3.5 GB
Memory %38%23%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

qwen3.5:4b

Speed
19/50
TTFT
20/20
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
15/20
Coding
14/20
Instruction
6/20
Structured
12/15
Math
6/15
Multilingual
9/10
Reasoning: Adequate Coding: Adequate Instruction Following: Weak Structured Output: Strong Math: Weak 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