openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Mar 11, 2026 · Apple M4
gptoss · 20.9B · MXFP4
OLLAMA GGUFgptoss · 20.9 · MXFP4
Jul 9, 2026 · Intel Core™ i5-10400
Global Score
95 vs 84
Hardware Fit
99 vs 69
Quality Score
93 vs 91
Hardware
openai/gpt-oss-20b gptoss · 20.9B · M…
MachineMac miniMac Pro
CPUApple M4Intel Core™ i5-10400
Cores1012
RAM24 GB32 GB
GPUApple M4AMD Radeon RX 6700 XT
OSmacOS 26.3macOS 26.5.1
Archarm64x64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b gptoss · 20.9B · M…
Tokens/sec29.317.5
First chunk21 ms643 ms
TTFT1.8 s7.7 s
Load time18.5 s0.0 s
Memory usage0.0 GB0.8 GB
Memory %0%3%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
19/20
Memory
30/30
gptoss · 20.9B · MXFP4
Speed
34/50
TTFT
5/20
Memory
30/30
Quality
openai/gpt-oss-20b
Reasoning
19/20
Coding
18/20
Instruction
16/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
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
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