Back to leaderboard

openai/gpt-oss-20b

LM-STUDIO MLX

gpt_oss · 20B · MXFP4

Excellent

Apr 1, 2026 · Apple M4

stablelm2:1.6b

OLLAMA GGUF

stablelm · 2B · Q4_0

Marginal

Mar 2, 2026 · Apple M4

Global Score
82 vs 45
Hardware Fit
85 vs 100
Quality Score
81 vs 22

Hardware

openai/gpt-oss-20b stablelm2:1.6b
MachineMac miniMacBook Air
CPUApple M4Apple M4
Cores1010
RAM24 GB32 GB
GPUApple M4Apple M4
OSmacOS 26.3macOS 26.3
Archarm64arm64
Power Modebalancedbalanced

Performance

openai/gpt-oss-20b stablelm2:1.6b
Tokens/sec31.893.8
First chunk32 msN/A
TTFT8.4 s94 ms
Load time22.7 s0.4 s
Memory usage0.0 GB1.1 GB
Memory %0%3%

HW Fit Score Breakdown

openai/gpt-oss-20b

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

stablelm2:1.6b

Speed
40/50
TTFT
30/20
Memory
30/30

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

stablelm2:1.6b

Reasoning
4/20
Coding
7/20
Instruction
6/20
Structured
1/15
Math
2/15
Multilingual
2/10
Reasoning: Poor Coding: Weak Instruction Following: Weak Structured Output: Poor Math: Poor Multilingual: Poor
View openai/gpt-oss-20b details | View stablelm2:1.6b 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