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openai/gpt-oss-20b

LM-STUDIO GGUF

gpt-oss · 20B · MXFP4

Excellent

Nov 9, 2026 · Apple M3 Max

mistral:latest

OLLAMA GGUF

llama · 7.2B · Q4_0

Good

Feb 28, 2026 · Apple M4 Pro

Global Score
91 vs 72
Hardware Fit
90 vs 100
Quality Score
91 vs 60

Hardware

openai/gpt-oss-20b mistral:latest
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 Modebalancedunknown

Performance

openai/gpt-oss-20b mistral:latest
Tokens/sec95.154.3
First chunk3 msN/A
TTFT2.5 s124 ms
Load time9.2 s0.0 s
Memory usage0.0 GB9.9 GB
Memory %0%15%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

mistral:latest

Speed
40/50
TTFT
30/20
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

mistral:latest

Reasoning
8/20
Coding
15/20
Instruction
13/20
Structured
12/15
Math
3/15
Multilingual
9/10
Reasoning: Weak Coding: Adequate Instruction Following: Adequate Structured Output: Strong Math: Poor Multilingual: Strong

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