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gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

May 25, 2026 · Apple M4 Pro

llama-3.1-8b-instruct

LM-STUDIO GGUF

llama · 8B · Q8_0

Excellent

Apr 26, 2026 · AMD Ryzen 5 5500

Global Score
94 vs 81
Hardware Fit
92 vs 100
Quality Score
95 vs 73

Hardware

gpt-oss:20b llama-3.1-8b-instr…
MachineMacBook ProASUS
CPUApple M4 ProAMD Ryzen 5 5500
Cores1412
RAM48 GB31 GB
GPUApple M4 ProNavi 44 [Radeon RX 9060 XT]
OSmacOS 26.4.1Nobara Linux 43
Archarm64x64
Power Modebalancedperformance

Performance

gpt-oss:20b llama-3.1-8b-instr…
Tokens/sec54.535.6
First chunk318 ms52 ms
TTFT2.9 s256 ms
Load time4.0 sN/A
Memory usage16.4 GB8.6 GB
Memory %34%28%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
13/20
Memory
29/30

llama-3.1-8b-instruct

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

Quality

gpt-oss:20b

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

llama-3.1-8b-instruct

Reasoning
13/20
Coding
17/20
Instruction
13/20
Structured
15/15
Math
5/15
Multilingual
10/10
Reasoning: Adequate Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Weak Multilingual: Strong
View gpt-oss:20b details | View llama-3.1-8b-instr… 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