mlx-community/stablelm-2-zephyr-1_6b-4bit

MacBook Air (Apple M4)

32 GB · macOS 26.3

Tested on March 5, 2026

Top 81% Compare

Global Score

50 /100

Marginal

Hardware Fit

100/100

Quality

29/100

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Hardware

Machine: MacBook Air
CPU: Apple M4
Cores: 10 total (4 perf + 6 eff)
Frequency: 2.4 GHz
RAM: 32 GB LPDDR5
GPU: Apple M4
OS: macOS 26.3
Arch: arm64
Power Mode: balanced

Performance

Tokens/sec Tokens generated per second — higher is better: 93.6
Standard deviation Variation of speed across benchmark runs — lower means more consistent: ±8.2
First chunk latency Delay before the first streamed chunk arrives from runtime: 166 ms
Time to first token How fast the model starts responding — lower is better: 166 ms
Load time Time to load the model into memory before inference: N/A
Memory usage RAM consumed during inference — percentage of total system memory: 0.7 GB (2%)
Total tokens Total number of tokens generated across all benchmark prompts: 1188

Score breakdown

Speed

50/50

Time to first token

20/20

Memory

30/30

Quality

Reasoning

7/20

Coding

2/20

Instruction following

9/20

Structured output

3/15

Math

4/15

Multilingual

4/10

Category levels

Reasoning: Weak Coding: Poor Instruction Following: Weak Structured Output: Poor Math: Poor Multilingual: Weak

Metadata

Spec version: 0.2.1
Runtime: LM Studio 0.4.6+1
Model format: GGUF
Hardware profile: BALANCED
Result hash: 66b088e2395250fa6e72988635da82800d407ef73c29971ad30e74ac19d59e57

Interpretation

Hardware fit: 100/100. Overall suitability: MARGINAL (Global 50/100). Category profile: Reasoning: Weak, Coding: Poor, Instruction Following: Weak, Structured Output: Poor, Math: Poor, Multilingual: Weak.

Bench Environment

Power: AC CPU load: avg 22% (peak 25%)

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