Models / Qwen3 4B

Qwen3 4B

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coding reasoning chat
Parameters
4.0B
Context
32k
License
apache 2.0
Developer
Alibaba
Origin
🇨🇳 China
Released
Apr 2025

Scores

Coding
58
Reasoning
60
General
56

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Run it locally

Per-quant memory needs and a static "can you run it?" reference - no rig entry required

Q4_K_M
2.6GB 2.6GB min 3.0GB rec
Balanced - the usual local sweet spot

The reference hardware

Schematic of the 4x H100 80GB (320GB) reference rig - 320GB VRAM, 13400 GB/s aggregate bandwidth
Schematic of the NVIDIA DGX Station 748GB reference rig - 748GB unified memory, 8000 GB/s aggregate bandwidth
Schematic of the 8x RTX 3090 rack (192GB) reference rig - 192GB VRAM, 7489 GB/s aggregate bandwidth
Schematic of the 4x RTX 5090 (128GB) reference rig - 128GB VRAM, 7168 GB/s aggregate bandwidth
Schematic of the AMD Instinct MI300X (192GB) reference rig - 192GB VRAM, 5324 GB/s aggregate bandwidth
Schematic of the 4x RTX 4090 (96GB) reference rig - 96GB VRAM, 4032 GB/s aggregate bandwidth
Schematic of the 2x RTX 5090 (64GB) reference rig - 64GB VRAM, 3584 GB/s aggregate bandwidth
Schematic of the 2x RTX 3090 (48GB) reference rig - 48GB VRAM, 1872 GB/s aggregate bandwidth
Schematic of the Single RTX 5090 (32GB) reference rig - 32GB VRAM, 1792 GB/s aggregate bandwidth
Schematic of the RTX PRO 6000 Blackwell (96GB) reference rig - 96GB VRAM, 1792 GB/s aggregate bandwidth
Schematic of the Mac Studio M4 Ultra 192GB reference rig - 192GB unified memory, 1092 GB/s aggregate bandwidth
Schematic of the Mac Studio M4 Ultra 512GB reference rig - 512GB unified memory, 1092 GB/s aggregate bandwidth
Schematic of the Single RTX 4090 (24GB) reference rig - 24GB VRAM, 1008 GB/s aggregate bandwidth
Schematic of the MacBook Pro M5 Max 128GB reference rig - 128GB unified memory, 614 GB/s aggregate bandwidth
Schematic of the Single GTX 1080 Ti (11GB) reference rig - 11GB VRAM, 484 GB/s aggregate bandwidth
Schematic of the Dual EPYC 9004 + 768GB DDR5-4800 reference rig - 768GB unified memory, 460 GB/s aggregate bandwidth
Schematic of the DGX Spark 128GB unified reference rig - 128GB unified memory, 273 GB/s aggregate bandwidth
Schematic of the Ryzen AI Max+ 395 128GB reference rig - 128GB unified memory, 256 GB/s aggregate bandwidth
Schematic of the Jetson AGX Orin 64GB reference rig - 64GB unified memory, 204 GB/s aggregate bandwidth
Schematic of the Epyc + 512GB DDR4-3200 + 2x RTX 3090 reference rig - 560GB unified memory, 204 GB/s aggregate bandwidth
Schematic of the Epyc + 512GB DDR4-2400 + 2x RTX 3090 reference rig - 560GB unified memory, 153 GB/s aggregate bandwidth
Schematic of the NVIDIA Jetson Orin NX 16GB reference rig - 16GB unified memory, 102 GB/s aggregate bandwidth

22 reference configs, drawn in-house. Scroll for more.

Can you run it? - reference rigs

Rig Q4_K_M
4x H100 80GB (320GB) fast 2833.4t/s
NVIDIA DGX Station 748GB fast 1691.6t/s
8x RTX 3090 rack (192GB) fast 1583.7t/s
4x RTX 5090 (128GB) fast 1515.7t/s
AMD Instinct MI300X (192GB) fast 1125.9t/s
4x RTX 4090 (96GB) fast 852.6t/s
2x RTX 5090 (64GB) fast 757.8t/s
2x RTX 3090 (48GB) fast 395.9t/s
Single RTX 5090 (32GB) fast 378.9t/s
RTX PRO 6000 Blackwell (96GB) fast 378.9t/s
Mac Studio M4 Ultra 192GB fast 251.9t/s
Mac Studio M4 Ultra 512GB fast 251.9t/s
Single RTX 4090 (24GB) fast 213.1t/s
MacBook Pro M5 Max 128GB fast 141.6t/s
Single GTX 1080 Ti (11GB) fast 102.3t/s
Dual EPYC 9004 + 768GB DDR5-4800 fast 97.4t/s
DGX Spark 128GB unified fast 57.7t/s
Ryzen AI Max+ 395 128GB fast 54.1t/s
Jetson AGX Orin 64GB fast 43.3t/s
Epyc + 512GB DDR4-3200 + 2x RTX 3090 fast 43.3t/s
Epyc + 512GB DDR4-2400 + 2x RTX 3090 fast 32.5t/s
NVIDIA Jetson Orin NX 16GB fast 21.7t/s

Fit tiers use the same will-it-run logic as the rig finder. For comfortable fits, the badge reflects decode speed: fast >=20 t/s, ok 8-20 t/s, slow <8 t/s. t/s is a bandwidth estimate, not a measured benchmark.

Download options

Q4_K_M official -5% vs fp16
2.6GB dl 2.6GB min 3.0GB rec
REC RAM vs largest quant

Or run it in the cloud

No per-token API provider pricing tracked for Qwen3 4B yet. For flagship list prices, see the calculator.

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PRICE HISTORY

Inference cost over time

Data accumulates from the first daily sync - longer ranges populate over time. Prices come from OpenRouter snapshots, not a historical API.

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