Alibaba
Qwen 2.5 1.5B
Compact 1.5B model with strong multilingual and coding abilities.
1.5B parametersqwen2apache-2.032K context1.5GB - 2.1GB VRAM
Check Your Hardware
See which quantizations of Qwen 2.5 1.5B your hardware can run.
Quantization Options
| Quantization | Bits | File Size | VRAM Needed | RAM Needed | Quality |
|---|---|---|---|---|---|
| Q4_K_M | 4.5 | 1 GB | 1.5 GB | 2.5 GB | 85% |
| Q8_0 | 8 | 1.6 GB | 2.1 GB | 3 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 Qwen 2.5 1.5B?
Qwen 2.5 1.5B requires 1.5GB VRAM minimum with Q4_K_M quantization. For full precision, you need 2.1GB VRAM.
What is the best quantization for Qwen 2.5 1.5B?
Q4_K_M offers the best balance of quality and VRAM usage. Q8_0 is near-lossless if you have enough VRAM.