Stability AI
StableLM Zephyr 3B
Compact 3B model from Stability AI. Good chat quality for its size.
3B parametersstablelmother4K context2.3GB - 3.5GB VRAM
Check Your Hardware
See which quantizations of StableLM Zephyr 3B your hardware can run.
Quantization Options
| Quantization | Bits | File Size | VRAM Needed | RAM Needed | Quality |
|---|---|---|---|---|---|
| Q4_K_M | 4.5 | 1.8 GB | 2.3 GB | 3.5 GB | 85% |
| Q8_0 | 8 | 3 GB | 3.5 GB | 5 GB | 98% |
See It In Action
Real model outputs generated via RunThisModel.com — watch responses stream in real time.
Llama 3.3 70B responding...
Outputs generated by real AI models via RunThisModel.com. Generation speed shown is from cloud inference. Local speeds vary by hardware — check your device.
Frequently Asked Questions
How much VRAM do I need to run StableLM Zephyr 3B?
StableLM Zephyr 3B requires 2.3GB VRAM minimum with Q4_K_M quantization. For full precision, you need 3.5GB VRAM.
What is the best quantization for StableLM Zephyr 3B?
Q4_K_M offers the best balance of quality and VRAM usage. Q8_0 is near-lossless if you have enough VRAM.