openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Mar 11, 2026 · Apple M4

qwen3.5:27b

OLLAMA GGUF

qwen35 · 27.8B · Q4_K_M

Not Rec.

Mar 5, 2026 · AMD RYZEN AI MAX+ 395

Global Score

95 vs 20

Hardware Fit

99 vs 37

Quality Score

93 vs 12

Hardware

openai/gpt-oss-20b qwen3.5:27b

MachineMac miniAZW GTR Pro

CPUApple M4AMD RYZEN AI MAX+ 395

Cores1032

RAM24 GB125 GB

GPUApple M4AMD Radeon 8060S

OSmacOS 26.3Ubuntu 24.04.4 LTS

Archarm64x64

Power Modebalancedlow-power

Performance

openai/gpt-oss-20b qwen3.5:27b

Tokens/sec29.310.6

First chunk21 ms358 ms

TTFT1.8 s13.7 s

Load time18.5 s10.8 s

Memory usage0.0 GB39.7 GB

Memory %0%32%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed

50/50

TTFT

19/20

Memory

30/30

qwen3.5:27b

Speed

9/50

TTFT

0/20

Memory

28/30

Quality

openai/gpt-oss-20b

Reasoning

19/20

Coding

18/20

Instruction

16/20

Structured

15/15

Math

15/15

Multilingual

10/10

Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

qwen3.5:27b

Reasoning

2/20

Coding

0/20

Instruction

2/20

Structured

0/15

Math

0/15

Multilingual

8/10

Reasoning: Poor Coding: Poor Instruction Following: Poor Structured Output: Poor Math: Poor Multilingual: Strong

View openai/gpt-oss-20b details | View qwen3.5:27b details

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