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openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Mar 4, 2026 · Apple M4

qwen3.5:2b

OLLAMA GGUF

qwen35 · 2.3B · Q8_0

Good

Mar 2, 2026 · Apple M4

Global Score
94 vs 73
Hardware Fit
100 vs 100
Quality Score
92 vs 62

Hardware

openai/gpt-oss-20b qwen3.5:2b
MachineMacBook AirMacBook Air
CPUApple M4Apple M4
Cores1010
RAM32 GB32 GB
GPUApple M4Apple M4
OSmacOS 26.3macOS 26.3
Archarm64arm64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b qwen3.5:2b
Tokens/sec40.730.4
First chunk824 msN/A
TTFT1.3 s215 ms
Load timeN/A1.8 s
Memory usage11.3 GB4.5 GB
Memory %35%14%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

qwen3.5:2b

Speed
40/50
TTFT
30/20
Memory
30/30

Quality

openai/gpt-oss-20b

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

qwen3.5:2b

Reasoning
12/20
Coding
10/20
Instruction
13/20
Structured
14/15
Math
4/15
Multilingual
9/10
Reasoning: Adequate Coding: Weak Instruction Following: Adequate Structured Output: Strong Math: Weak Multilingual: Strong
View openai/gpt-oss-20b details | View qwen3.5:2b details

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