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DeepSeek1.5B params128k context

DeepSeek R1 Distill 1.5B locally

DeepSeek R1 Distill 1.5B is an open-weight LLM from the DeepSeek family with 1.5B parameters. Main use: reasoning and problem solving. Detected minimum hardware: GTX 1650 (4 GB).

Check on my GPU →Hugging Face ↗

Technical facts

Parameters1.5B

Max context128k

Q4_K_M0.9 GB

Q5_K_M1.2 GB

Q81.7 GB

FP163.4 GB

FamilyDeepSeek

Last sync2026-05-12

Available quantizations

GGUF weights

Q4_K_M

0.9GB

Acceptable. Good compromise when VRAM is limited.

Q5_K_M

1.2GB

Good quality. Sweet spot for size and precision.

Q8

1.7GB

Near-FP16 quality. Comfortable for production.

FP16

3.4GB

Reference precision. Maximum quality, doubled VRAM.

Compatible GPUs

12 single-GPU

GPUs that can run DeepSeek R1 Distill 1.5B on a single card, ranked by VRAM headroom.

3.4 / 4 GBcomfortable · FP16

3.4 / 6 GBcomfortable · FP16

3.4 / 6 GBcomfortable · FP16

3.4 / 6 GBcomfortable · FP16

3.4 / 6 GBcomfortable · FP16

3.4 / 6 GBcomfortable · FP16

3.4 / 6 GBcomfortable · FP16

6 GB · Arc Alchemist

3.4 / 6 GBcomfortable · FP16

3.4 / 8 GBcomfortable · FP16

3.4 / 8 GBcomfortable · FP16

3.4 / 8 GBcomfortable · FP16

3.4 / 8 GBcomfortable · FP16

Recommended multi-GPU rigs

2x / 4x consumer GPUs

For DeepSeek R1 Distill 1.5B at higher quantization or with more context, a multi-GPU rig gives more headroom.

3.4 / 8 GBcomfortable · FP16

2× GTX 1060 6GB

12 GB · GTX 10

3.4 / 12 GBcomfortable · FP16

12 GB · GTX 16

3.4 / 12 GBcomfortable · FP16

2× GTX 1660 Super

12 GB · GTX 16

3.4 / 12 GBcomfortable · FP16

2× GTX 1660 Ti

12 GB · GTX 16

3.4 / 12 GBcomfortable · FP16

2× RTX 2060 6GB

12 GB · RTX 20

3.4 / 12 GBcomfortable · FP16

2× RTX 3050 6GB

12 GB · RTX 30

3.4 / 12 GBcomfortable · FP16

12 GB · Arc Alchemist

3.4 / 12 GBcomfortable · FP16

Recommended rig

2× GTX 1650

DeepSeek R1 Distill 1.5B with Ubuntu, vLLM, Open WebUI and the model already downloaded.

VRAM estimates: parameters x bits/8 plus margin. Real performance varies by engine, context length and batch size.
sync: 2026-05-12