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URL: https://willitrunai.com/models/granite-4.1-3b

⇱ Granite 4.1 3B VRAM Requirements — GPU Compatibility


👁 IBM
IBM

Granite 4.1 3B

Current
👁 huggingface
HuggingFace👁 ollama
Ollama
343.4KDownloads81LikesApr 2026Released131K tokensContextApache 2.0License42 BasicQuality

Granite 4.1 3B (3B parameters) requires approximately 4.9 GB of VRAM with Q4_K_M quantization. For the best balance of quality and speed, we recommend hardware with at least 6 GB of VRAM.

Get started

— copy & paste to run locally

Copy-paste commands to run Granite 4.1 3B on your machine.

Run

ollama run granite4.1:3b

Quick specs

Parameters3B
Architecturedense
Context131K tokens
Modalitytext
Min RAM1.2 GB
Rec. RAM1.8 GB (Q4_K_M)
LicenseApache 2.0
FamilyGranite
✓ Code✓ Chat✓ RAG

About this model

Granite 4.1 3B is IBM's smallest Granite 4.1 dense decoder-only model, trained on roughly 15T tokens with 128K context. Apache 2.0 licensed and tuned for fast, commercially-friendly RAG, coding, and assistant workloads on small GPUs.

  • Dense decoder-only 3B — runs on 8 GB GPUs at Q8 or BF16
  • Apache 2.0 license for commercial RAG and assistant use
  • 128K context for long-document retrieval

Related models

Your hardware

Detecting...

Quick picks

👁 Intel
Best budgetA
Intel Arc A380 6GB~$139 — 42 tok/s
👁 NVIDIA
Best overallA
RTX 2060 6GB~$349 — 42 tok/s

Best hardware

Top picks for Granite 4.1 3B

RTX 4050 Laptop 6GBA
6 GB
RTX 2060 6GBA
6 GB
Intel Arc Pro A40 6GBA
6 GB
Intel Arc A380 6GBA
6 GB
GTX 1060 6GBA
6 GB

Run this model

Granite 4.1 3B on RTX 4050 Laptop 6GBGranite 4.1 3B on RTX 2060 6GBGranite 4.1 3B on Intel Arc Pro A40 6GB

Quantization options

VRAM estimates by quant level

No hardware detected — fit column shows raw VRAM estimates

QuantBitsVRAMQualityFit
Q2_K
2
1.2 GB
Low
Q3_K_S
3
1.5 GB
Low
NVFP4
4
1.7 GB
Medium
Q4_K_M
4
1.8 GB
Medium
Q5_K_M
5
2.2 GB
High
Q6_K
6
2.5 GB
High
Q8_0
8
3.2 GB
Very High
F16
16
6.1 GB
Maximum

Hardware compatibility

Fit estimates across all hardware

Open calculator

Computing compatibility...

Memory breakdown

Reference: RTX 2060 6GB

Weights1.8 GB
KV Cache1.2 GB
Runtime1.2 GB
Headroom0.6 GB

Frequently asked questions

FAQ — Granite 4.1 3B

See also

VRAM Deep Dive GuideQuantization GuideScoring MethodologyVRAM Calculator