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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Not Rec.

Jul 5, 2026 · AMD Ryzen 7 7800X3D 8-Core Processor

qwen/qwen3.8-27b

LM-STUDIO MLX

qwen3_5 · 27B · 8bit

Excellent

Aug 19, 2026 · Apple M4 Max

Global Score
84 vs 80
Hardware Fit
65 vs 52
Quality Score
92 vs 92

Hardware

openai/gpt-oss-20b qwen/qwen3.8-27b
MachineASUSMacBook Pro
CPUAMD Ryzen 7 7800X3D 8-Core ProcessorApple M4 Max
Cores1616
RAM31 GB128 GB
GPUNVIDIA GeForce RTX 4090, RaphaelApple M4 Max
OScachyos rollingmacOS 26.5.2
Archx64arm64
Power Modeperformancebalanced

Performance

openai/gpt-oss-20b qwen/qwen3.8-27b
Tokens/sec221.516.1
First chunk5 ms14 ms
TTFT30.0 s5.8 s
Load timeN/A8.5 s
Memory usage21.1 GB0.0 GB
Memory %69%0%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
15/30

qwen/qwen3.8-27b

Speed
17/50
TTFT
5/20
Memory
30/30

Quality

openai/gpt-oss-20b

Reasoning
19/20
Coding
15/20
Instruction
18/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

qwen/qwen3.8-27b

Reasoning
19/20
Coding
16/20
Instruction
17/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
View openai/gpt-oss-20b details | View qwen/qwen3.8-27b details

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