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stablelm-2-zephyr-1.6b

LM-STUDIO GGUF

stablelm · 1.6B · Q4_K_M

Not Rec.

Mar 6, 2026 · Intel Core™ i5-5300U

gpt-oss:20b

OLLAMA GGUF

gptoss · 20.9B · MXFP4

Excellent

May 25, 2026 · Apple M4 Pro

Global Score
35 vs 94
Hardware Fit
61 vs 92
Quality Score
24 vs 95

Hardware

stablelm-2-zephyr-… gpt-oss:20b
MachineLENOVO 20BUS00700MacBook Pro
CPUIntel Core™ i5-5300UApple M4 Pro
Cores414
RAM16 GB48 GB
GPUIntel(R) HD Graphics 5500Apple M4 Pro
OSMicrosoft Windows 10 Professionnel 10.0.19045macOS 26.4.1
Archx64arm64
Power Modebalancedbalanced

Performance

stablelm-2-zephyr-… gpt-oss:20b
Tokens/sec6.554.5
First chunk3080 ms318 ms
TTFT3.1 s2.9 s
Load timeN/A4.0 s
Memory usage1.0 GB16.4 GB
Memory %6%34%

HW Fit Score Breakdown

stablelm-2-zephyr-1.6b

Speed
23/50
TTFT
16/20
Memory
22/30

gpt-oss:20b

Speed
50/50
TTFT
13/20
Memory
29/30

Quality

stablelm-2-zephyr-1.6b

Reasoning
2/20
Coding
2/20
Instruction
8/20
Structured
6/15
Math
2/15
Multilingual
4/10
Reasoning: Poor Coding: Poor Instruction Following: Weak Structured Output: Weak Math: Poor Multilingual: Weak

gpt-oss:20b

Reasoning
19/20
Coding
19/20
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

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