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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

May 25, 2026 · Apple M4 Pro

spark-x2.5-4b

LM-STUDIO GGUF

spark2_5 · 4B · Q4_K_M

Good

Sep 30, 2026 · AMD Ryzen 7 4800H

Global Score
94 vs 77
Hardware Fit
92 vs 90
Quality Score
95 vs 71

Hardware

gpt-oss:20b spark-x2.5-4b
MachineMacBook ProASUSTeK COMPUTER INC. ROG Strix G513IM_G513IM
CPUApple M4 ProAMD Ryzen 7 4800H
Cores1416
RAM48 GB15 GB
GPUApple M4 ProAMD Radeon(TM) Graphics, NVIDIA GeForce RTX 3060 Laptop GPU
OSmacOS 26.4.1Microsoft Windows 11 Pro 10.0.26200
Archarm64x64
Power Modebalancedbalanced

Performance

gpt-oss:20b spark-x2.5-4b
Tokens/sec54.548.9
First chunk318 ms20 ms
TTFT2.9 s168 ms
Load time4.0 sN/A
Memory usage16.4 GB9.4 GB
Memory %34%61%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
13/20
Memory
29/30

spark-x2.5-4b

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

Quality

gpt-oss:20b

Reasoning
19/20
Coding
19/20
Instruction
17/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

spark-x2.5-4b

Reasoning
13/20
Coding
14/20
Instruction
16/20
Structured
15/15
Math
4/15
Multilingual
9/10
Reasoning: Adequate Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Weak Multilingual: Strong
View gpt-oss:20b details | View spark-x2.5-4b details

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