openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Apr 1, 2026 · Apple M4

qwen3.8-27b-mlx

LM-STUDIO UNKNOWN

27B

Good

Aug 17, 2026 · Apple M5 Max

Global Score

82 vs 66

Hardware Fit

85 vs 91

Quality Score

81 vs 55

Hardware

openai/gpt-oss-20b qwen3.8-27b-mlx

MachineMac miniMacBook Pro

CPUApple M4Apple M5 Max

Cores1018

RAM24 GB64 GB

GPUApple M4Apple M5 Max

OSmacOS 26.3macOS 27.0

Archarm64arm64

Power Modebalancedbalanced

Performance

openai/gpt-oss-20b qwen3.8-27b-mlx

Tokens/sec31.833.2

First chunk32 ms7 ms

TTFT8.4 s311 ms

Load time22.7 sN/A

Memory usage0.0 GB0.5 GB

Memory %0%1%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed

50/50

TTFT

5/20

Memory

30/30

qwen3.8-27b-mlx

Speed

41/50

TTFT

20/20

Memory

30/30

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-mlx

Reasoning

19/20

Coding

13/20

Instruction

6/20

Structured

0/15

Math

14/15

Multilingual

3/10

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

View openai/gpt-oss-20b details | View qwen3.8-27b-mlx details

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