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
27.1
#162
Coding Index
17.5
#205
GPQA
0.8
#126
HLE
0.1
#180
IFBench
0.5
#143
Time to First Token
0.47s
#238
SciCode
0.2
#374
LCR
0.6
#113
TerminalBench Hard
0.2
#146
TAU2
0.9
#46
Output TPS
22.5
#263

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·

Versions

VersionReleasedContextInput / 1MOutput / 1MStatus
EAGLE Qwen 2.5 3B InstructAvailable
Qwen3.7 Plus1.0M$0.320$1.28Available
Qwen3.7 Max1.0M$1.25$3.75Available
Qwen3.6 Max Preview262K$1.04$6.24Available
Qwen3.6 27B262K$0.288$3.17Available
Qwen3.6 35B A3B262K$0.150$1.00Available
Qwen3.6 Plus1.0M$0.325$1.95Available
Qwen3 Max Thinking262K$0.780$3.90Available
Qwen3 Next 80B A3B128K$0.140$1.20Available
Qwen3 Max262K$0.359$1.43Available
Qwen3.5 4BCurrent

Model IDs

alibaba-qwen3-5-4b
huggingface-vlm-qwen3-5-4b
Qwen/Qwen3.5-4B
qwen3-5-4b
qwen3-5-4b-non-reasoning