openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Jul 17, 2026 · Apple M5 Max
rnj-1:8b
OLLAMA GGUFgemma3 · 8.3B · Q4_K_M
Aug 24, 2026 · Apple M1 Pro
Global Score
83 vs 80
Hardware Fit
80 vs 93
Quality Score
84 vs 74
Hardware
openai/gpt-oss-20b rnj-1:8b
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 rnj-1:8b
Tokens/sec131.722.3
First chunk7 ms404 ms
TTFT30.0 s404 ms
Load timeN/A3.7 s
Memory usage15.8 GB8.3 GB
Memory %25%52%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
0/20
Memory
30/30
rnj-1:8b
Speed
49/50
TTFT
20/20
Memory
24/30
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
rnj-1:8b
Reasoning
12/20
Coding
19/20
Instruction
15/20
Structured
5/15
Math
14/15
Multilingual
9/10
Reasoning: Adequate Coding: Strong Instruction Following: Strong Structured Output: Weak Math: Strong Multilingual: Strong
Run yours and compare
$
npm install -g metrillm@latest$
metrillmRequires Node 20+ and Ollama or LM Studio running
Or run without installing: npx metrillm@latest