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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Sep 29, 2026 · Apple M5 Max

qwen3.5-9b-64k:latest

OLLAMA GGUF

qwen35 · 9.0B · Q4_K_M

Good

Oct 31, 2026 · Intel Gen Intel® Core™ i9-12900H

Global Score
83 vs 75
Hardware Fit
80 vs 68
Quality Score
84 vs 78

Hardware

openai/gpt-oss-20b qwen3.5-9b-64k:lat…
MachineMacBook ProMicro-Star International Co., Ltd. Stealth GS77 12UH
CPUApple M5 MaxIntel Gen Intel® Core™ i9-12900H
Cores1820
RAM128 GB32 GB
GPUApple M5 MaxIntel(R) Iris(R) Xe Graphics, NVIDIA GeForce RTX 3080 Laptop GPU
OSmacOS 26.6.2Microsoft Windows 11 Home 10.0.26200
Archarm64x64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b qwen3.5-9b-64k:lat…
Tokens/sec138.412.6
First chunk3 ms586 ms
TTFT30.0 s586 ms
Load time6.8 s15.0 s
Memory usage0.5 GB8.1 GB
Memory %0%26%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
30/30

qwen3.5-9b-64k:latest

Speed
18/50
TTFT
20/20
Memory
30/30

Quality

openai/gpt-oss-20b

Reasoning
18/20
Coding
12/20
Instruction
15/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

qwen3.5-9b-64k:latest

Reasoning
14/20
Coding
15/20
Instruction
14/20
Structured
15/15
Math
10/15
Multilingual
10/10
Reasoning: Adequate Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Adequate Multilingual: Strong
View openai/gpt-oss-20b details | View qwen3.5-9b-64k:lat… details

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$ metrillm

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Or run without installing: npx metrillm@latest