openai/gpt-oss-20b
LM-STUDIO GGUFgpt-oss · 20B · MXFP4
Apr 24, 2026 · AMD Ryzen 5 5500
gpt-oss-safeguard-20b-mlx
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Mar 12, 2026 · Apple M4
Global Score
90 vs 87
Hardware Fit
88 vs 82
Quality Score
91 vs 89
Hardware
openai/gpt-oss-20b gpt-oss-safeguard-…
MachineASUSMac mini
CPUAMD Ryzen 5 5500Apple M4
Cores1210
RAM31 GB24 GB
GPUNavi 44 [Radeon RX 9060 XT]Apple M4
OSNobara Linux 43macOS 26.3
Archx64arm64
Power Modeperformancebalanced
Performance
openai/gpt-oss-20b gpt-oss-safeguard-…
Tokens/sec58.741.4
First chunk6 ms8 ms
TTFT4.5 s3.6 s
Load timeN/AN/A
Memory usage11.9 GB14.5 GB
Memory %38%61%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
10/20
Memory
28/30
gpt-oss-safeguard-20b-mlx
Speed
50/50
TTFT
12/20
Memory
20/30
Quality
openai/gpt-oss-20b
Reasoning
18/20
Coding
15/20
Instruction
18/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
gpt-oss-safeguard-20b-mlx
Reasoning
19/20
Coding
12/20
Instruction
19/20
Structured
15/15
Math
15/15
Multilingual
9/10
Reasoning: Strong Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
Run yours and compare
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npm install -g metrillm@latest$
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Or run without installing: npx metrillm@latest