openai/gpt-oss-20b
LM-STUDIO MLXgpt_oss · 20B · MXFP4
Sep 29, 2026 · Apple M5 Max
mistralai/devstral-small-2-2512
LM-STUDIO MLXmistral3 · 24B · 4bit
Oct 20, 2026 · Apple M1 Pro
Global Score
83 vs 73
Hardware Fit
80 vs 64
Quality Score
84 vs 77
Hardware
openai/gpt-oss-20b mistralai/devstral…
MachineMacBook ProMacBook Pro
CPUApple M5 MaxApple M1 Pro
Cores1810
RAM128 GB32 GB
GPUApple M5 MaxApple M1 Pro
OSmacOS 26.6.2macOS 15.6.1
Archarm64arm64
Power Modebalancedbalanced
Performance
openai/gpt-oss-20b mistralai/devstral…
Tokens/sec138.411.9
First chunk3 ms7 ms
TTFT30.0 s1.1 s
Load time6.8 sN/A
Memory usage0.5 GB19.7 GB
Memory %0%62%
HW Fit Score Breakdown
openai/gpt-oss-20b
Speed
50/50
TTFT
0/20
Memory
30/30
mistralai/devstral-smal…
Speed
25/50
TTFT
20/20
Memory
19/30
Quality
openai/gpt-oss-20b
Reasoning
18/20
Coding
12/20
Instruction
15/20
Structured
14/15
Math
15/15
Multilingual
10/10
Reasoning: Strong Coding: Adequate Instruction Following: Strong Structured Output: Strong Math: Strong Multilingual: Strong
mistralai/devstral-smal…
Reasoning
17/20
Coding
16/20
Instruction
13/20
Structured
14/15
Math
7/15
Multilingual
10/10
Reasoning: Strong Coding: Strong Instruction Following: Adequate Structured Output: Strong Math: Weak Multilingual: Strong
Run yours and compare
$
npm install -g metrillm@latest$
metrillmRequires Node 20+ and Ollama or LM Studio running
Or run without installing: npx metrillm@latest