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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Apr 1, 2026 · Apple M4

Qwen3.8-27B-Opus-Distill-IQ3_XXS:latest

OLLAMA GGUF

qwen35 · 27.3B · IQ3_XXS

Excellent

Aug 18, 2026 · AMD Ryzen 7 9700X 8-Core Processor

Global Score
82 vs 90
Hardware Fit
85 vs 98
Quality Score
81 vs 86

Hardware

openai/gpt-oss-20b Qwen3.8-27B-Opus-D…
MachineMac miniMicro-Star International Co., Ltd. MS-7E51
CPUApple M4AMD Ryzen 7 9700X 8-Core Processor
Cores1016
RAM24 GB31 GB
GPUApple M4NVIDIA GeForce RTX 5080, AMD Radeon(TM) Graphics
OSmacOS 26.3Microsoft Windows 11 Pro 10.0.26200
Archarm64x64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b Qwen3.8-27B-Opus-D…
Tokens/sec31.861.8
First chunk32 ms325 ms
TTFT8.4 s325 ms
Load time22.7 s5.5 s
Memory usage0.0 GB12.2 GB
Memory %0%39%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
5/20
Memory
30/30

Qwen3.8-27B-Opus-Distil…

Speed
50/50
TTFT
20/20
Memory
28/30

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

Qwen3.8-27B-Opus-Distil…

Reasoning
16/20
Coding
17/20
Instruction
16/20
Structured
15/15
Math
12/15
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