Qwen3.5 4B
Qwen3.5 4B is a compact open-weight multimodal model from Alibaba for reasoning, coding, visual understanding, tool use, and structured output.
- Reasoning
- Vision
- Tool Calling
- Structured Output
Added Aug 16, 2026
Pricing
Auto routing · per 1M tokens- Input
- $0.10
- Output
- $0.20
Specifications
- Context window
- 262.1K
- Max output
- 32.8K
- Parameters
- 4B
Benchmarks
Benchmarks
Sourced from Artificial Analysis.
Intelligence Index
10.8
Coding Index
20.3
Agentic work
T²-Bench Telecom (legacy)
Legacy fallback · Conversational AI agents in dual-control scenarios
87.7%
Better than 82% of models compared
Document reasoning
AA-LCR v1.1
Long context reasoning with updated grading
34.7%
Better than 33% of models compared
Reasoning
HLE
Humanity's Last Exam
8.0%
Better than 45% of models compared
IFBench
Instruction-following benchmark
33.3%
Better than 22% of models compared
Coding
Terminal-Bench Hard (legacy)
Legacy fallback · Agentic coding and terminal use
11.4%
Better than 47% of models compared
Legacy benchmarks
GPQA Diamond (legacy)
Graduate-level scientific reasoning
71.2%
Better than 50% of models compared
AA-LCR (unversioned / legacy)
Long context reasoning evaluation
34.7%
Better than 32% of models compared
Last updated Oct 14, 2026
Artificial AnalysisProviders
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