llmrun
AlibabaQwen 3Qwen3ForCausalLM

Qwen3 32B — Hardware Requirements & GPU Compatibility

ChatFunctions

Qwen3 32B is the flagship dense model in Alibaba Cloud's Qwen 3 series, with 32 billion parameters. It is instruction-tuned for chat and delivers strong performance across reasoning, coding, mathematics, and multilingual tasks. Qwen3 32B supports a hybrid thinking mode that allows the model to engage in extended chain-of-thought reasoning or respond quickly depending on the task, giving users flexibility between depth and speed. The model requires a GPU with at least 24GB of VRAM for quantized inference, placing it within reach of high-end consumer cards like the RTX 4090. It represents a significant generational improvement over Qwen 2.5 in both instruction following and knowledge breadth. Released under the Apache 2.0 license.

32.8B params · dense41K contextApache 2.02.9M downloads791 likes695.1K quant downloads
B

Decent on a 24 GB GPU

Runs from12 GB IQ2_XXS · 16KBest on24 GB Q4_K_M · ~32 tok/s · 16KMacs from16 GB IQ2_XXS · ~15 tok/s

Score 98.6#62 of 106 open#11 of 36 that fit 24 GBApache 2.0

Reference GPU · RTX 4090 24 GB

Estimates, ±20% · how we estimate

Run Qwen3 32B

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 qwen3:32b

Q4_K_M fits fully on the RTX 4090 · 1.4 GB free · 16K context

Download: Qwen3-32B-Q4_K_M.gguf19.76 GBQwen

install, OS, other quants

Ways to runOther ways

each opens step-by-step

Run in cloud

Your own private copy · Q4_K_M · 32 GB GPU

  • The easiest way to try this model
  • Running in a few minutes, easy setup
  • Chat right here or connect any app

$5+ bonus for new users

How Much VRAM Does Qwen3 32B Need?

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

QuantizationVRAM+32KOn RTX 4090 (reference)
14.6 GB19.6 GB2-bit · K-quant — 2-bit quantization with K-quant improvementsFits: 40K context · ~45 tok/s
15.0 GB20 GB3-bit small — 3-bit small quantizationFits: 40K context · ~44 tok/s
16.6 GB21.6 GB3-bit medium — 3-bit medium quantizationFits: 40K context · ~39 tok/s
17.0 GB22.1 GB4-bit · legacy — 4-bit legacy quantizationFits: 40K context · ~39 tok/s
20.3 GB25.3 GB4-bit medium — 4-bit medium quantization — most popular sweet spotFits: 16K context · ~32 tok/s
24.0 GB29 GB5-bit medium — 5-bit medium quantization — good quality/size tradeoffFits: 2K context · ~27 tok/s
27.7 GB32.7 GB6-bit, very good — 6-bit quantization, very good qualityDoes not fit: needs 30 GB
33.4 GB38.4 GB8-bit, near-lossless — 8-bit quantization, near-losslessDoes not fit: needs 35.8 GB

Selected Q4_K_M

4-bit medium quantization

22.6GBat 16K context

Weights
19.7 GB
KV cache
2.7 GB
Overhead
0.3 GB

Fits RTX 4090 (reference) · 1.4 GB free · ~32 tok/s

≥50 tok/s needs ≥1.56 TB/s · RTX 5090 ~57

Which Hardware Can Run Qwen3 32B?

Q4_K_M · 20.3 GB

Qwen3 32B (Q4_K_M) requires 20.3 GB of VRAM to load the model weights. For comfortable inference with headroom for KV cache and system overhead, 27+ GB is recommended. Using the full 41K context window can add up to 6.4 GB, bringing total usage to 26.7 GB. 7 GPUs can run it, including NVIDIA GeForce RTX 5090, NVIDIA GeForce RTX 3090 Ti. 122 devices with unified memory can run Qwen3 32B, including Mac Studio (M3 Ultra, 256GB), Mac Studio (M3 Ultra, 512GB), Mac Studio M1 Max (32 GB).

By VRAM tier · typical GPUs and Macs at Q4_K_M
8 GB · RTX 4060Doesn't fit — smallest quant needs 12 GB8 GB tier →
12 GB · RTX 3060 12GBIQ2_XXS · 12 GB · ~24 tok/s · 16K12 GB tier →
16 GB · RTX 5060 Ti 16GBIQ3_XXS · 15.7 GB · ~22 tok/s · 16K16 GB tier →
24 GB · RTX 4090referenceQ4_K_M · 22.6 GB · ~32 tok/s · 16K24 GB tier →
Mac 32 GB · Mac Mini M4Q4_K_M · 22.6 GB · ~4 tok/s · 40KMacs →
Mac 64 GB · Mac Studio M4 MaxQ4_K_M · 22.6 GB · ~19 tok/s · 40KMacs →

How good is Qwen3 32B?

The llmrun Score merges 8 public benchmark boards into a single figure, where 100 represents the average for open models.

Score vs VRAM in the 24 GB tier

  • Qwen3 32B
  • Other models
  • Best Score for its VRAM

#11 of 36 that fit 24 GB

Each dot is a model at the best quant that fits a 24 GB GPU. The line steps up to the best Score available at each amount of VRAM; a dot below it is beaten by a model that needs no more memory.

Full 24 GB ranking →

Benchmarks

The 6 boards that weigh most in the llmrun Score, of 9 with a result for this model; badges show who ran the test.

  • GPQA Diamond

    Epoch AI · Apr 2025Independent

    65.7%

    #39/100 open

    Independent
  • LMArena Text

    LMArena · Oct 2026Arena

    1346.8

    #80/188 open

    Arena
  • AIME 2024/2025

    Epoch AI · Apr 2025Independent

    66.9%

    #33/88 open

    Independent
  • Aider Polyglot

    Epoch AI · Apr 2025Independent

    40.0%

    #11/18 open

    Independent
  • SciCode

    Epoch AI · Apr 2025Lab-reported

    35.4%

    #54/72 open

    Lab-reported
  • CritPt

    Epoch AI · Apr 2025Lab-reported

    0.3%

    #50/84 open

    Lab-reported

In the 24 GB class

36 models fit 24 GB

Same Score, only models that fit 24 GB at their best quant: the ranking a 24 GB owner actually chooses from.

  1. #1

    122.0

    ~38 tok/s · 17.9 GB

  2. #2

    111.2

    ~38 tok/s · 17.9 GB

  3. #3

    106.8

    ~151 tok/s · 22.0 GB

  4. #4

    106.7

    ~32 tok/s · 21.7 GB

  5. #5

    105.8

    ~171 tok/s · 16.5 GB

  6. #6

    105.8

    ~151 tok/s · 22.0 GB

Alternatives to Qwen3 32B

Qwen 3 family · 79 models →

Official models with an llmrun Score, each answering one question; numbers are at the best quant that fits a 24 GB GPU.

Similar models

10
ModelScoreVRAMtok/sWhy it is similar
Qwen3.6 27BAlibaba111.217.9 GB~38similar score
Gemma 4 26B A4B ITGoogle105.816.5 GB~171similar score
Qwen3.5 35B A3BAlibaba105.822 GB~151similar score
Qwen3.5 27BAlibaba103.817.9 GB~38similar score
Seed OSS 36B InstructByteDance-Seed102.522.8 GB~31similar score
Qwen3 30B A3B Thinking 2507Alibaba100.719.4 GB~173similar score
Qwen3.5 9BAlibaba99.46.6 GB~103similar score
Qwen3.5 4BAlibaba98.53.4 GB~201similar score
Phi 4Microsoft83.912.5 GB~69similar score
DeepSeek R1 Distill Qwen 32BDeepSeek97.223 GB~34same size
Fine-tunes & variants(10)

Specifications

Publisher
Alibaba
Family
Qwen 3
Parameters
32.8B
Architecture
Qwen3ForCausalLM
Context Length
40,960 tokens
Vocabulary Size
151,936
Release Date
2025-04-27
License
Apache 2.0

Frequently Asked Questions

How much VRAM does Qwen3 32B need?

Qwen3 32B requires 20.3 GB of VRAM at Q4_K_M, or 66.2 GB at BF16. Full 41K context adds up to 6.4 GB (26.7 GB total).

VRAM = Weights + KV Cache + Overhead

Weights = 32.8B × 4.8 bits ÷ 8 = 19.7 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 ≈ 7 GB (at full 41K context)

VRAM usage by quantization

20.3 GB
26.7 GB

Learn more about VRAM estimation →

Can NVIDIA GeForce RTX 4090 run Qwen3 32B?

Yes, at Q5_K_M (24.0 GB) or lower. Higher quantizations like Q5_K_L (24.4 GB) exceed the NVIDIA GeForce RTX 4090's 24 GB.

What's the best quantization for Qwen3 32B?

For Qwen3 32B, Q4_K_M (20.3 GB) offers the best balance of quality and VRAM usage. Q4_K_L (20.7 GB) provides better quality if you have the VRAM. The smallest option is IQ2_XXS at 9.7 GB.

VRAM requirement by quantization

IQ2_XXS
9.7 GB
IQ3_S
14.6 GB
Q3_K_L
17.4 GB
Q4_K_M ★
20.3 GB
Q5_0
21.1 GB
BF16
66.2 GB

★ Recommended — best balance of quality and VRAM usage.

Learn more about quantization →

Can I run Qwen3 32B on a Mac?

Yes — Mac Mini M2 Pro (16 GB) and 133 other Macs can run Qwen3 32B, the smallest at IQ2_XXS. Apple Silicon uses unified memory, so the model shares RAM with the system. At Q4_K_M you need at least 20.3 GB of usable unified memory (RAM minus macOS overhead), from Mac Mini M5 Pro (24 GB).

Can I run Qwen3 32B locally?

Yes — Qwen3 32B can run locally on consumer hardware. Popular tools include Ollama, LM Studio, and llama.cpp.

How fast is Qwen3 32B?

At Q4_K_M, Qwen3 32B can reach ~237 tok/s on AMD Instinct MI350X. On NVIDIA GeForce RTX 4090: ~32 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 ÷ 20.3 × 0.65 = ~256 tok/s

Estimated speed at Q4_K_M (20.3 GB)

~256 tok/s
~32 tok/s
~256 tok/s
~237 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 32B?

At Q4_K_M, the download is about 19.66 GB. The full-precision BF16 version is 65.52 GB. The smallest option (IQ2_XXS) is 9.01 GB.

Which GPUs can run Qwen3 32B?

7 consumer GPUs can run Qwen3 32B at Q4_K_M. Top options include NVIDIA GeForce RTX 5090, AMD Radeon RX 7900 XTX, NVIDIA GeForce RTX 3090. 1 GPU has plenty of headroom for comfortable inference.

Which devices can run Qwen3 32B?

122 devices with unified memory can run Qwen3 32B at Q4_K_M (20.3 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.