Microsoft

Phi-4 Mini 3.8B

Latest Phi mini with strong reasoning. Drop-in upgrade from Phi-3.5 Mini.

3.8B parametersphi4mit128K context2.82GB - 4.3GB VRAM

Check Your Hardware

See which quantizations of Phi-4 Mini 3.8B your hardware can run.

Quantization Options

QuantizationBitsFile SizeVRAM NeededRAM NeededQuality
Q4_K_M4.52.321 GB2.82 GB3.32 GB
85%
Q8_083.804 GB4.3 GB4.8 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 Phi-4 Mini 3.8B?

Phi-4 Mini 3.8B requires 2.82GB VRAM minimum with Q4_K_M quantization. For full precision, you need 4.3GB VRAM.

What is the best quantization for Phi-4 Mini 3.8B?

Q4_K_M offers the best balance of quality and VRAM usage. Q8_0 is near-lossless if you have enough VRAM.