Qwen3-VL-4B-Instruct

Language Alibaba Qwen Partly verified
  • In Input modalities: TextImage
  • Reasoning
  • Tool use
  • Open weights

Prices

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Details

Licence
apache-2.0
Family
qwen-vl

Not stated on Alibaba Qwen’s pages: max input, output modalities, reasoning efforts, reasoning can be off, max thinking budget, structured output, built-in tools, knowledge cutoff, aliases.

Run locally

Weights: Qwen/Qwen3-VL-4B-Instruct
  • Parameters 4.4B
  • Dense
  • Native precision BF16
  • Layers 36
  • KV cache per token 144 KB
  • Config positions 256K (config.json max_position_embeddings)
  • API context 250K (maker’s API)
My hardware GeForce RTX 4090 24 GB · 1008 GB/s · 64 GB DDR5 dual channel · 89.6 GB/s
On your hardware · GeForce RTX 4090
Runs well BF16 (native) (automatic) 8K context 50–75 tok/sOne GPU
WeightsKV cacheOverheadUsable
Needs
≈ 9.9 GB (weights 8.3 (maker’s file) + KV cache 1.1 + overhead 0.5)
Usable
21.6 GB (90% of its memory)
Generation speed
50–75 tok/s
Longest context
91K (longer doesn’t fit)
First token
about 0.14–0.21 s for a 2K prompt
PrecisionWeightsNeeds at 8KOn your hardwareLongest context
BF16 (native)maker’s file8.3 GB≈ 9.9Runs well 50–75 tok/s91K
Q8_0maker’s file4.0 GB≈ 5.6Runs well 92–138 tok/s122K
FP8maker’s file5.6 GB≈ 7.2Runs well 70–105 tok/s110K
Q6_K3.4 GB≈ 5.0Runs well 104–156 tok/s126K
Q5_K_M2.9 GB≈ 4.6Runs well 115–173 tok/s129K
Q5_02.8 GB≈ 4.5Runs well 118–178 tok/s129K
Q4_K_Mmaker’s file2.3 GB≈ 4.0Runs well 136–204 tok/s133K
Q4_02.3 GB≈ 3.9Runs well 136–204 tok/s133K
IQ4_XS2.2 GB≈ 3.8Runs well 141–212 tok/s134K
Q3_K_Mquality drops2.0 GB≈ 3.6Runs well 149–224 tok/s135K
IQ3_XXSquality drops1.6 GB≈ 3.2Runs well 173–260 tok/s139K
Q2_Kquality drops1.5 GB≈ 3.2Runs well 175–263 tok/s139K
IQ2_XXSquality drops1.1 GB≈ 2.7Runs well 214–322 tok/s142K

Click a row to choose a precision. “Maker’s file” sizes are the maker’s own files; others are parameters × bits per weight.

Compared with other hardware

Each at the highest precision it runs. Click one for details.

Smallest that runs it (Q4_K_M, 8K): GPU GeForce RTX 3080; unified memory Apple M5 · 16 GB.

Run commands

vLLM
vllm serve Qwen/Qwen3-VL-4B-Instruct --max-model-len 8192
Memory to fine-tune
Full≈ 68.3 GBDoesn’t fit your hardware
LoRA≈ 10.6 GBFits your hardware
QLoRA≈ 4.7 GBFits your hardware

Batch 1, 2,048-token sequences, gradient checkpointing; LoRA and QLoRA train rank-16 adapters on the attention projections.

Estimates; facts from the maker’s Hugging Face repositories, as of 2026-11-06. How it’s estimated

Cited scores

From third-party leaderboards, not measured by us

This model isn’t on any leaderboard we cite yet.

No changes recorded yet.

Sources

Alibaba Qwen’s official policies: data use, privacy, terms →

Some values on this page are still waiting to be checked against official pages: a filled dot is verified, a hollow one is not yet (with or without a source on file). How we verify data

Alibaba Qwen · China · qwen.ai

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