Back to leaderboard

gptoss · 20.9B · MXFP4

OLLAMA GGUF

gptoss · 20.9 · MXFP4

Excellent

Jul 9, 2026 · Intel Core™ i5-10400

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Jul 17, 2026 · Apple M5 Max

Global Score
84 vs 83
Hardware Fit
69 vs 80
Quality Score
91 vs 84

Hardware

gptoss · 20.9B · M… openai/gpt-oss-20b
MachineMac ProMacBook Pro
CPUIntel Core™ i5-10400Apple M5 Max
Cores1218
RAM32 GB64 GB
GPUAMD Radeon RX 6700 XTApple M5 Max
OSmacOS 26.5.1macOS 27.0
Archx64arm64
Power Modebalancedbalanced

Performance

gptoss · 20.9B · M… openai/gpt-oss-20b
Tokens/sec17.5131.7
First chunk643 ms7 ms
TTFT7.7 s30.0 s
Load time0.0 sN/A
Memory usage0.8 GB15.8 GB
Memory %3%25%

HW Fit Score Breakdown

gptoss · 20.9B · MXFP4

Speed
34/50
TTFT
5/20
Memory
30/30

openai/gpt-oss-20b

Speed
50/50
TTFT
0/20
Memory
30/30

Quality

gptoss · 20.9B · MXFP4

Reasoning
19/20
Coding
19/20
Instruction
13/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Strong Multilingual: Strong

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

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