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GPT-20B:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Good

Aug 24, 2026 · Intel Core™ Ultra X7 358H

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Jul 17, 2026 · Apple M5 Max

Global Score
78 vs 83
Hardware Fit
59 vs 80
Quality Score
86 vs 84

Hardware

GPT-20B:20b openai/gpt-oss-20b
MachineGMKtec NucBox EVO-T2SMacBook Pro
CPUIntel Core™ Ultra X7 358HApple M5 Max
Cores1618
RAM64 GB64 GB
GPUIntel(R) Arc(TM) B390 GPUApple M5 Max
OSMicrosoft Windows 11 Pro 10.0.26200macOS 27.0
Archx64arm64
Power Modebalancedbalanced

Performance

GPT-20B:20b openai/gpt-oss-20b
Tokens/sec19.6131.7
First chunk2068 ms7 ms
TTFT9.9 s30.0 s
Load time12.8 sN/A
Memory usage12.9 GB15.8 GB
Memory %20%25%

HW Fit Score Breakdown

GPT-20B:20b

Speed
26/50
TTFT
3/20
Memory
30/30

openai/gpt-oss-20b

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

Quality

GPT-20B:20b

Reasoning
18/20
Coding
18/20
Instruction
11/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

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
View GPT-20B:20b details | View openai/gpt-oss-20b details

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