Back to leaderboard

gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

Sep 15, 2026 · Intel Core™ i5-14400F

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Not Rec.

Jul 17, 2026 · Apple M5 Max

Global Score
94 vs 83
Hardware Fit
97 vs 80
Quality Score
93 vs 84

Hardware

gpt-oss:20b openai/gpt-oss-20b
MachineGigabyte Technology Co., Ltd. B760 AORUS ELITE AX DDR4MacBook Pro
CPUIntel Core™ i5-14400FApple M5 Max
Cores1618
RAM32 GB64 GB
GPUNVIDIA GeForce RTX 5060 TiApple M5 Max
OSMicrosoft Windows 11 Professionnel 10.0.26200macOS 27.0
Archx64arm64
Power Modebalancedbalanced

Performance

gpt-oss:20b openai/gpt-oss-20b
Tokens/sec80.4131.7
First chunk139 ms7 ms
TTFT1.6 s30.0 s
Load time11.6 sN/A
Memory usage11.9 GB15.8 GB
Memory %37%25%

HW Fit Score Breakdown

gpt-oss:20b

Speed
50/50
TTFT
19/20
Memory
28/30

openai/gpt-oss-20b

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

Quality

gpt-oss:20b

Reasoning
19/20
Coding
17/20
Instruction
17/20
Structured
15/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Strong 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