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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Excellent

Apr 24, 2026 · AMD Ryzen 5 5500

qwen2.5:1.5b

OLLAMA GGUF

qwen2 · 1.5B · Q4_K_M

Good

Mar 16, 2026 · Intel Core™ i7-4771

Global Score
90 vs 65
Hardware Fit
88 vs 92
Quality Score
91 vs 54

Hardware

openai/gpt-oss-20b qwen2.5:1.5b
MachineASUSiMac
CPUAMD Ryzen 5 5500Intel Core™ i7-4771
Cores128
RAM31 GB32 GB
GPUNavi 44 [Radeon RX 9060 XT]NVIDIA GeForce GTX 780M
OSNobara Linux 43macOS 15.7.3
Archx64x64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b qwen2.5:1.5b
Tokens/sec58.719.6
First chunk6 ms690 ms
TTFT4.5 s690 ms
Load timeN/A21.4 s
Memory usage11.9 GB1.0 GB
Memory %38%3%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

qwen2.5:1.5b

Speed
42/50
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

qwen2.5:1.5b

Reasoning
8/20
Coding
9/20
Instruction
12/20
Structured
13/15
Math
5/15
Multilingual
7/10
Reasoning: Weak Coding: Weak Instruction Following: Adequate Structured Output: Strong Math: Weak Multilingual: Adequate

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