GPT-120B:120b

OLLAMA GGUF

gptoss · 116.8B · MXFP4

Not Rec.

Aug 22, 2026 · NVIDIA RTX Spark N1X (6144-core GPU, 20-core ) RTX Spark N1X (6144-core GPU, 20-core )

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Mar 11, 2026 · Apple M4

Global Score

66 vs 95

Hardware Fit

23 vs 99

Quality Score

84 vs 93

Hardware

GPT-120B:120b openai/gpt-oss-20b

MachineHP HyperX OMEN Transcend Gaming Laptop 14-ga0xxx5CD612DXMLMac mini

CPUNVIDIA RTX Spark N1X (6144-core GPU, 20-core ) RTX Spark N1X (6144-core GPU, 20-core )Apple M4

Cores2010

RAM55 GB24 GB

GPUNVIDIA RTX Spark N1X (6144-core Blackwell RTX GPU), NVIDIA NPUApple M4

OSMicrosoft Windows 11 Pro 10.0.28000macOS 26.3

Archarm64arm64

Power Modebalancedbalanced

Performance

GPT-120B:120b openai/gpt-oss-20b

Tokens/sec16.829.3

First chunk11247 ms21 ms

TTFT12.2 s1.8 s

Load time77.3 s18.5 s

Memory usage61.6 GB0.0 GB

Memory %113%0%

HW Fit Score Breakdown

GPT-120B:120b

Speed

21/50

TTFT

2/20

Memory

0/30

openai/gpt-oss-20b

Speed

50/50

TTFT

19/20

Memory

30/30

Quality

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

openai/gpt-oss-20b

Reasoning

19/20

Coding

18/20

Instruction

16/20

Structured

15/15

Math

15/15

Multilingual

10/10

Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

View GPT-120B:120b details | View openai/gpt-oss-20b 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