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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Mar 4, 2026 · Apple M4

Flint-UD-Q4_K_XL-GGUF:latest

OLLAMA GGUF

flint · 39.8B · Q4_K_M

Excellent

Oct 23, 2026 · AMD Ryzen 7 9700X 8-Core Processor

Global Score
94 vs 90
Hardware Fit
100 vs 82
Quality Score
92 vs 93

Hardware

openai/gpt-oss-20b Flint-UD-Q4_K_XL-G…
MachineMacBook AirMicro-Star International Co., Ltd. MS-7E51
CPUApple M4AMD Ryzen 7 9700X 8-Core Processor
Cores1016
RAM32 GB31 GB
GPUApple M4NVIDIA GeForce RTX 5080, AMD Radeon(TM) Graphics
OSmacOS 26.3Microsoft Windows 11 Pro 10.0.26300
Archarm64x64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b Flint-UD-Q4_K_XL-G…
Tokens/sec40.769.3
First chunk824 ms1434 ms
TTFT1.3 s1.4 s
Load timeN/A0.0 s
Memory usage11.3 GB23.8 GB
Memory %35%77%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

Flint-UD-Q4_K_XL-GGUF:l…

Speed
50/50
TTFT
20/20
Memory
12/30

Quality

openai/gpt-oss-20b

Reasoning
20/20
Coding
18/20
Instruction
15/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

Flint-UD-Q4_K_XL-GGUF:l…

Reasoning
19/20
Coding
18/20
Instruction
17/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

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