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AlibabaQwen 3Qwen3ForCausalLM

Qwen3 1.7B Base — Hardware Requirements & GPU Compatibility

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Qwen3 1.7B Base is a 1.7-billion parameter pretrained foundation model from Alibaba Cloud's Qwen 3 family. It is a compact base model designed for fine-tuning, research, and custom applications rather than direct conversational use. Its small size makes it accessible for resource-constrained fine-tuning and rapid experimentation. The model can run on virtually any modern GPU and benefits from the improved pretraining data of the Qwen 3 generation. It is suitable as a lightweight foundation for domain-specific fine-tunes and student models in distillation pipelines. Released under the Apache 2.0 license.

1.7B params · dense33K contextApache 2.0589.5K downloads97 likes6.0K quant downloads
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Runs great on a 24 GB GPU

Runs from8 GB Q4_K_M · 32KBest on24 GB Q4_K_M · ~417 tok/s · 32KMacs from8 GB Q4_K_M · ~46 tok/s

Apache 2.0

Reference GPU · RTX 4090 24 GB

Estimates, ±20% · how we estimate

Run Qwen3 1.7B Base

One recommended way. Every other method, OS and quant is in the step-by-step guide.Each way opens a step-by-step guide for your OS and quant.

Recommended

Ollama
one command · needs Ollama installed
$ollama run hf.co/QuantFactory/Qwen3-1.7B-GGUF:Q4_K_M

Q4_K_M fits fully on the RTX 4090 · 20.8 GB free · 16K context

Download: Qwen3-1.7B.Q4_K_M.gguf1.28 GBQuantFactory

install, OS, other quants

Ways to runOther ways

each opens step-by-step

Run in cloud

Your own private copy · Q4_K_M · 24 GB GPU

  • The easiest way to try this model
  • Running in a few minutes, easy setup
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How Much VRAM Does Qwen3 1.7B Base Need?

Select a quantization level; the listed hardware adheres to it.

QuantizationVRAM+32KOn RTX 4090 (reference)
1.3 GB4.8 GB2-bit · K-quant — 2-bit quantization with K-quant improvementsFits: 32K context · ~516 tok/s
1.3 GB4.8 GB3-bit small — 3-bit small quantizationFits: 32K context · ~508 tok/s
1.4 GB4.9 GB3-bit medium — 3-bit medium quantizationFits: 32K context · ~478 tok/s
1.4 GB4.9 GB4-bit · legacy — 4-bit legacy quantizationFits: 32K context · ~468 tok/s
1.6 GB5.1 GB4-bit medium — 4-bit medium quantization — most popular sweet spotFits: 32K context · ~417 tok/s
1.8 GB5.3 GB5-bit medium — 5-bit medium quantization — good quality/size tradeoffFits: 32K context · ~372 tok/s
1.9 GB5.5 GB6-bit, very good — 6-bit quantization, very good qualityFits: 32K context · ~336 tok/s
2.3 GB5.8 GB8-bit, near-lossless — 8-bit quantization, near-losslessFits: 32K context · ~290 tok/s

Selected Q4_K_M

4-bit medium quantization

3.2GBat 16K context

Weights
1.0 GB
KV cache
1.9 GB
Overhead
0.3 GB

Fits RTX 4090 (reference) · 20.8 GB free · ~417 tok/s

≥50 tok/s needs ≥121 GB/s · RTX 5090 ~742, RTX 3090 Ti ~417

Which Hardware Can Run Qwen3 1.7B Base?

Q4_K_M · 1.6 GB

Qwen3 1.7B Base (Q4_K_M) requires 1.6 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 3+ GB is recommended. Using the full 33K context window can add up to 3.5 GB, bringing total usage to 5.1 GB. 52 GPUs can run it, including NVIDIA GeForce RTX 5090, NVIDIA GeForce RTX 3090 Ti. 163 devices with unified memory can run Qwen3 1.7B Base, including Mac Studio (M3 Ultra, 256GB), Mac Studio (M3 Ultra, 512GB).

By VRAM tier · typical GPUs and Macs at Q4_K_M
8 GB · RTX 4060Q4_K_M · 3.2 GB · ~113 tok/s · 32K8 GB tier →
12 GB · RTX 3060 12GBQ4_K_M · 3.2 GB · ~149 tok/s · 32K12 GB tier →
16 GB · RTX 5060 Ti 16GBQ4_K_M · 3.2 GB · ~186 tok/s · 32K16 GB tier →
24 GB · RTX 4090referenceQ4_K_M · 3.2 GB · ~417 tok/s · 32K24 GB tier →
Mac 32 GB · Mac Mini M4Q4_K_M · 3.2 GB · ~54 tok/s · 32KMacs →
Mac 64 GB · Mac Studio M4 MaxQ4_K_M · 3.2 GB · ~243 tok/s · 32KMacs →

Alternatives to Qwen3 1.7B Base

Qwen 3 family · 79 models →

Similar models

6
ModelScoreVRAMtok/sWhy it is similar
LFM3 1.7BLiquid AI—2.1 GB~455same size
Granite 4.0 1BIBM—2.6 GB~452same size
JiRackUltra 1BCMSManhattan—1.8 GB~461same size
DeepSeek R1 Distill Qwen 1.5BDeepSeek—1.8 GB~461same size
SmolLM2 1.7B InstructHugging Face—2.9 GB~379same size
EuroLLM 1.7B Instructutter-project—1.7 GB~437same size
Fine-tunes & variants(3)

Specifications

Publisher
Alibaba
Family
Qwen 3
Parameters
1.7B
Architecture
Qwen3ForCausalLM
Context Length
32,768 tokens
Vocabulary Size
151,936
Release Date
2025-04-28
License
Apache 2.0

Frequently Asked Questions

How much VRAM does Qwen3 1.7B Base need?

Qwen3 1.7B Base requires 1.6 GB of VRAM at Q4_K_M, or 4.0 GB at BF16. Full 33K context adds up to 3.5 GB (5.1 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 1.7B × 4.8 bits ÷ 8 = 1 GB

KV Cache + Overhead ≈ 0.6 GB (at 2K context + ~0.3 GB framework)

Fit ratings and hardware model lists check this model with room for a 16K-token context, which needs a little more memory.

KV Cache + Overhead ≈ 4.1 GB (at full 33K context)

VRAM usage by quantization

1.6 GB
5.1 GB

Learn more about VRAM estimation →

What's the best quantization for Qwen3 1.7B Base?

For Qwen3 1.7B Base, Q4_K_M (1.6 GB) offers the best balance of quality and VRAM usage. Q5_0 (1.6 GB) provides better quality if you have the VRAM. The smallest option is IQ2_XXS at 1.0 GB.

VRAM requirement by quantization

IQ2_XXS
1.0 GB
IQ3_XS
1.2 GB
Q3_K_L
1.4 GB
Q4_K_M ★
1.6 GB
Q5_0
1.6 GB
BF16
4.0 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run Qwen3 1.7B Base on a Mac?

Yes — MacBook Air 13" M3 (8 GB) and 145 other Macs can run Qwen3 1.7B Base. Apple Silicon uses unified memory, so the model shares RAM with the system. At Q4_K_M you need at least 1.6 GB of usable unified memory (RAM minus macOS overhead).

Can I run Qwen3 1.7B Base locally?

Yes — Qwen3 1.7B Base can run locally on consumer hardware. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is Qwen3 1.7B Base?

At Q4_K_M, Qwen3 1.7B Base can reach ~3057 tok/s on AMD Instinct MI350X. On NVIDIA GeForce RTX 4090: ~417 tok/s. Speed depends mainly on GPU memory bandwidth. Real-world results typically within ±20%.

tok/s = (bandwidth GB/s ÷ model GB) × efficiency

Example: NVIDIA B200 → 8000 ÷ 1.57 × 0.65 = ~3312 tok/s

Estimated speed at Q4_K_M (1.6 GB)

~3312 tok/s
~417 tok/s
~3312 tok/s
~3057 tok/s

Real-world results typically within ±20%. Speed depends on batch size, quantization kernel, and software stack.

Learn more about tok/s estimation →

What's the download size of Qwen3 1.7B Base?

At Q4_K_M, the download is about 1.03 GB. The full-precision BF16 version is 3.44 GB. The smallest option (IQ2_XXS) is 0.47 GB.

Which GPUs can run Qwen3 1.7B Base?

52 consumer GPUs can run Qwen3 1.7B Base at Q4_K_M. Top options include AMD Radeon RX 6700 XT, AMD Radeon RX 6800, AMD Radeon RX 6800 XT. 52 GPUs have plenty of headroom for comfortable inference.

Which devices can run Qwen3 1.7B Base?

163 devices with unified memory can run Qwen3 1.7B Base at Q4_K_M (1.6 GB), including AMD Ryzen AI 9 HX 370 (Strix Point) Laptop, ASUS Ascent GX10, Beelink GTR9 Pro (Ryzen AI Max+ 395, 128 GB), Framework Desktop (Ryzen AI Max+ 395, 128 GB). Apple Silicon Macs use unified memory shared between CPU and GPU, making them well-suited for local LLM inference.