GPT-20B:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

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

qwen3.5-27b

LM-STUDIO MLX

qwen3_5 · 27B · 4bit

Good

Mar 3, 2026 · Apple M4

Global Score

93 vs 75

Hardware Fit

91 vs 54

Quality Score

94 vs 84

Hardware

GPT-20B:20b qwen3.5-27b

MachineHP HyperX OMEN Transcend Gaming Laptop 14-ga0xxx5CD612DXMLMacBook Air

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

Cores2010

RAM55 GB32 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-20B:20b qwen3.5-27b

Tokens/sec57.86.6

First chunk203 ms4364 ms

TTFT3.0 s4.4 s

Load time19.2 sN/A

Memory usage12.0 GB15.0 GB

Memory %22%47%

HW Fit Score Breakdown

GPT-20B:20b

Speed

50/50

TTFT

11/20

Memory

30/30

qwen3.5-27b

Speed

13/50

TTFT

11/20

Memory

30/30

Quality

GPT-20B:20b

Reasoning

19/20

Coding

17/20

Instruction

18/20

Structured

15/15

Math

15/15

Multilingual

10/10

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

qwen3.5-27b

Reasoning

17/20

Coding

18/20

Instruction

11/20

Structured

15/15

Math

13/15

Multilingual

10/10

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

View GPT-20B:20b details | View qwen3.5-27b 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