openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Jul 17, 2026 · Apple M5 Max
hf.co/unsloth/gpt-oss-20b-GGUF:Q4_K_M
OLLAMA GGUFgpt-oss · 20.9B · unknown
Aug 24, 2026 · Apple M1 Pro
Global Score
83 vs 86
Hardware Fit
80 vs 75
Quality Score
84 vs 90
Hardware
openai/gpt-oss-20b hf.co/unsloth/gpt-…
MachineMacBook ProMacBook Pro
CPUApple M5 MaxApple M1 Pro
Cores1810
RAM64 GB16 GB
GPUApple M5 MaxApple M1 Pro
OSmacOS 27.0macOS 26.6.2
Archarm64arm64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b hf.co/unsloth/gpt-…
Tokens/sec131.735.9
First chunk7 ms1082 ms
TTFT30.0 s5.2 s
Load timeN/A8.2 s
Memory usage15.8 GB11.1 GB
Memory %25%69%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
0/20
Memory
30/30
hf.co/unsloth/gpt-oss-2…
Speed
50/50
TTFT
10/20
Memory
15/30
Quality
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
hf.co/unsloth/gpt-oss-2…
Reasoning
19/20
Coding
17/20
Instruction
15/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong 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