Back to leaderboard

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Apr 1, 2026 · Apple M4

GPT-120B:120b

OLLAMA GGUF

gptoss · 116.8B · MXFP4

Good

Aug 18, 2026 · Intel Core™ i7-14700F

Global Score
82 vs 79
Hardware Fit
85 vs 47
Quality Score
81 vs 93

Hardware

openai/gpt-oss-20b GPT-120B:120b
MachineMac miniHP OMEN 35L VALORANT Limited Edition Gaming Desktop PC
CPUApple M4Intel Core™ i7-14700F
Cores1028
RAM24 GB128 GB
GPUApple M4NVIDIA GeForce RTX 5080
OSmacOS 26.3Microsoft Windows 11 Enterprise 10.0.26200
Archarm64x64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b GPT-120B:120b
Tokens/sec31.818.2
First chunk32 ms1719 ms
TTFT8.4 s3.9 s
Load time22.7 s50.9 s
Memory usage0.0 GB61.5 GB
Memory %0%48%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

GPT-120B:120b

Speed
17/50
TTFT
5/20
Memory
25/30

Quality

openai/gpt-oss-20b

Reasoning
19/20
Coding
14/20
Instruction
9/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Weak Structured Output: Strong Math: Strong Multilingual: Strong

GPT-120B:120b

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