openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Apr 1, 2026 · Apple M4
spark-x2.5-4b
LM-STUDIO GGUFspark2_5 · 4B · Q4_K_M
Sep 30, 2026 · AMD Ryzen 7 4800H
Global Score
82 vs 77
Hardware Fit
85 vs 90
Quality Score
81 vs 71
Hardware
openai/gpt-oss-20b spark-x2.5-4b
MachineMac miniASUSTeK COMPUTER INC. ROG Strix G513IM_G513IM
CPUApple M4AMD Ryzen 7 4800H
Cores1016
RAM24 GB15 GB
GPUApple M4AMD Radeon(TM) Graphics, NVIDIA GeForce RTX 3060 Laptop GPU
OSmacOS 26.3Microsoft Windows 11 Pro 10.0.26200
Archarm64x64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b spark-x2.5-4b
Tokens/sec31.848.9
First chunk32 ms20 ms
TTFT8.4 s168 ms
Load time22.7 sN/A
Memory usage0.0 GB9.4 GB
Memory %0%61%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
5/20
Memory
30/30
spark-x2.5-4b
Speed
50/50
TTFT
20/20
Memory
20/30
Quality
openai/gpt-oss-20b
Reasoning
19/20
Coding
14/20
Instruction
9/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Weak 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
Run yours and compare
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