Back to leaderboard

openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Excellent

Nov 9, 2026 · Apple M3 Max

unsloth-phi-4

LM-STUDIO MLX

llama · 4bit

Excellent

Mar 6, 2026 · Apple M4 Pro

Global Score
91 vs 82
Hardware Fit
90 vs 88
Quality Score
91 vs 80

Hardware

openai/gpt-oss-20b unsloth-phi-4
MachineMacBook ProMac mini
CPUApple M3 MaxApple M4 Pro
Cores1614
RAM128 GB64 GB
GPUApple M3 MaxApple M4 Pro
OSmacOS 27.2macOS 15.7.4
Archarm64arm64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b unsloth-phi-4
Tokens/sec95.127.4
First chunk3 ms457 ms
TTFT2.5 s457 ms
Load time9.2 sN/A
Memory usage0.0 GB7.7 GB
Memory %0%12%

HW Fit Score Breakdown

openai/gpt-oss-20b

Speed
50/50
TTFT
10/20
Memory
30/30

unsloth-phi-4

Speed
38/50
TTFT
20/20
Memory
30/30

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: Strong Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong

unsloth-phi-4

Reasoning
15/20
Coding
19/20
Instruction
14/20
Structured
13/15
Math
9/15
Multilingual
10/10
Reasoning: Adequate Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Adequate Multilingual: Strong
View openai/gpt-oss-20b details | View unsloth-phi-4 details

Run yours and compare

$ npm install -g metrillm@latest
$ metrillm

Requires Node 20+ and Ollama or LM Studio running

Or run without installing: npx metrillm@latest