openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Apr 1, 2026 · Apple M4
GPT-120B:120b
OLLAMA GGUFgptoss · 116.8B · MXFP4
Aug 22, 2026 · NVIDIA RTX Spark N1X (6144-core GPU, 20-core ) RTX Spark N1X (6144-core GPU, 20-core )
Global Score
82 vs 66
Hardware Fit
85 vs 23
Quality Score
81 vs 84
Hardware
openai/gpt-oss-20b GPT-120B:120b
MachineMac miniHP HyperX OMEN Transcend Gaming Laptop 14-ga0xxx5CD612DXML
CPUApple M4NVIDIA RTX Spark N1X (6144-core GPU, 20-core ) RTX Spark N1X (6144-core GPU, 20-core )
Cores1020
RAM24 GB55 GB
GPUApple M4NVIDIA RTX Spark N1X (6144-core Blackwell RTX GPU), NVIDIA NPU
OSmacOS 26.3Microsoft Windows 11 Pro 10.0.28000
Archarm64arm64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b GPT-120B:120b
Tokens/sec31.816.8
First chunk32 ms11247 ms
TTFT8.4 s12.2 s
Load time22.7 s77.3 s
Memory usage0.0 GB61.6 GB
Memory %0%113%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
5/20
Memory
30/30
GPT-120B:120b
Speed
21/50
TTFT
2/20
Memory
0/30
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
GPT-120B:120b
Reasoning
16/20
Coding
19/20
Instruction
11/20
Structured
13/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong
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