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gptoss · 20.9B · MXFP4

OLLAMA GGUF

gptoss · 20.9 · MXFP4

Excellent

Jul 9, 2026 · Intel Core™ i5-10400

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Mar 19, 2026 · Apple M4

Global Score
84 vs 77
Hardware Fit
69 vs 67
Quality Score
91 vs 81

Hardware

gptoss · 20.9B · M… openai/gpt-oss-20b
MachineMac ProMac mini
CPUIntel Core™ i5-10400Apple M4
Cores1210
RAM32 GB24 GB
GPUAMD Radeon RX 6700 XTApple M4
OSmacOS 26.5.1macOS 26.3
Archx64arm64
Power Modebalancedbalanced

Performance

gptoss · 20.9B · M… openai/gpt-oss-20b
Tokens/sec17.530.5
First chunk643 ms18 ms
TTFT7.7 s30.0 s
Load time0.0 sN/A
Memory usage0.8 GB15.8 GB
Memory %3%66%

HW Fit Score Breakdown

gptoss · 20.9B · MXFP4

Speed
34/50
TTFT
5/20
Memory
30/30

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
17/30

Quality

gptoss · 20.9B · MXFP4

Reasoning
19/20
Coding
19/20
Instruction
13/20
Structured
15/15
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
19/20
Coding
11/20
Instruction
12/20
Structured
15/15
Math
14/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

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