Qwen3.5 4B is Alibaba's language model. A compact 4B-parameter model from the Qwen3.5 series, balancing small size with capable text generation for efficient deployment scenarios.
Specifications
Canonical IDalibaba-qwen3-5-4b
TypeLanguage
StatusActive
CreatorAlibabaAlibaba
Input ModalitiesText
Output ModalitiesText
Parameters4B
HuggingFace Likes496
HuggingFace Downloads (30d)3,966,264
HuggingFace Downloads (all-time)6,490,015
Benchmarks
Intelligence Index
20.1
#175
Coding Index
22.6
#101
GPQA
0.7
#227
HLE
0.1
#200
IFBench
0.5
#156
Time to First Token
0.47s
#394
SciCode
0.2
#394
MATH-500
0.7
#124
LCR
0.6
#132
TerminalBench Hard
0.2
#150
TAU2
0.9
#47
Output TPS
29.7
#116

Capabilities

Input1/5
Text
Image·
Audio·
Video·
PDF·
Output1/5
Text
Image·
Audio·
Video·
Embedding·
Capabilities0/13
Reasoning·
Adaptive Reasoning·
Function Calling·
Parallel Function Calling·
Structured Outputs·
Native JSON Schema·
Web Search·
URL Context·
Computer Use·
Code Execution·
File Search·
Prompt Caching·
Assistant Prefill·

Cheapest Instances to Run It

Cloud GPU instances that can host Qwen3.5 4B, ranked by cheapest on-demand price. The model needs about 10 GB of GPU memory at FP16 precision (estimated from its parameter count), so treat the fit as guidance rather than a guarantee.

All clouds
FP16 (full precision)
US Dollar ($)
Instance
Cloud
GPU
VRAM
Price
Cheapest region
Standard_NV4as_v4AzureAMD Radeon Instinct MI2516 GB$0.233/hrwestus2
g5g.xlargeAWST4g16 GB$0.420/hrus-east-1
Standard_NV8as_v4AzureAMD Radeon Instinct MI2516 GB$0.466/hrwestus2
7 more instances can run Qwen3.5 4B
Unlock the full ranked list and FP8 / INT4 quantization with a CloudPrice subscription.

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
Qwen Audio 3 Flash Realtime$0.413$4.13Available
Qwen Audio 3 Plus Realtime$0.688$5.50Available
Qwen Audio 3 Plus TTSAvailable
EAGLE Qwen 2.5 3B InstructAvailable
Qwen3.7 Plus1.0M$0.320$1.28Available
Qwen3.7 Max1.0M$1.48$4.42Available
Qwen3.6 Max Preview262K$1.04$6.24Available
Qwen3.6 27B262K$0.150$0.500Available
Qwen3.6 35B A3B262K$0.140$0.450Available
Qwen3.6 Plus1.0M$0.325$1.95Available
Qwen3.5 4BCurrent

Model IDs

accounts/fireworks/models/qwen3p5-4b
alibaba-qwen3-5-4b
huggingface-vlm-qwen3-5-4b
Qwen/Qwen3.5-4B
qwen3-5-4b
qwen3-5-4b-non-reasoning