openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Jul 17, 2026 · Apple M5 Max

qwen3.5:4b

OLLAMA GGUF

qwen35 · 4.7B · Q4_K_M

Good

Mar 5, 2026 · Intel Core™ i5-6500

Global Score

83 vs 61

Hardware Fit

80 vs 69

Quality Score

84 vs 58

Hardware

openai/gpt-oss-20b qwen3.5:4b

MachineMacBook ProGigabyte Technology Co., Ltd. H170M-D3H

CPUApple M5 MaxIntel Core™ i5-6500

Cores184

RAM64 GB16 GB

GPUApple M5 MaxGP104 [GeForce GTX 1070]

OSmacOS 27.0Ubuntu 24.04.4 LTS

Archarm64x64

Power Modebalancedlow-power

Performance

openai/gpt-oss-20b qwen3.5:4b

Tokens/sec131.735.7

First chunk7 ms438 ms

TTFT30.0 s5.1 s

Load timeN/A40.1 s

Memory usage15.8 GB5.5 GB

Memory %25%35%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed

50/50

TTFT

0/20

Memory

30/30

qwen3.5:4b

Speed

50/50

TTFT

11/20

Memory

8/30

Quality

openai/gpt-oss-20b

Reasoning

18/20

Coding

13/20

Instruction

14/20

Structured

14/15

Math

15/15

Multilingual

10/10

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

qwen3.5:4b

Reasoning

18/20

Coding

1/20

Instruction

8/20

Structured

8/15

Math

13/15

Multilingual

10/10

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

View openai/gpt-oss-20b details | View qwen3.5:4b details

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