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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Sep 29, 2026 · Apple M5 Max

qwen3.5:35b-a3b-q4_K_M

OLLAMA GGUF

qwen35moe · 36.0B · Q4_K_M

Good

Jul 31, 2026 · Intel Core™ i9-14900K

Global Score
83 vs 79
Hardware Fit
80 vs 62
Quality Score
84 vs 86

Hardware

openai/gpt-oss-20b qwen3.5:35b-a3b-q4…
MachineMacBook ProMicro-Star International Co., Ltd. MS-7D98
CPUApple M5 MaxIntel Core™ i9-14900K
Cores1832
RAM128 GB128 GB
GPUApple M5 MaxIntel(R) UHD Graphics 770, NVIDIA Quadro K4000
OSmacOS 26.6.2Microsoft Windows 11 Pro 10.0.26200
Archarm64x64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b qwen3.5:35b-a3b-q4…
Tokens/sec138.416.4
First chunk3 ms787 ms
TTFT30.0 s787 ms
Load time6.8 s19.3 s
Memory usage0.5 GB21.8 GB
Memory %0%17%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

qwen3.5:35b-a3b-q4_K_M

Speed
15/50
TTFT
17/20
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

qwen3.5:35b-a3b-q4_K_M

Reasoning
17/20
Coding
17/20
Instruction
16/20
Structured
15/15
Math
11/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Adequate Multilingual: Strong
View openai/gpt-oss-20b details | View qwen3.5:35b-a3b-q4… details

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