Qwen3.5 4B is a compact open-weight multimodal model from Alibaba for reasoning, coding, visual understanding, tool use, and structured output.
Added Aug 16, 2026
Context Window
262.1K
Max Output
32.8K
Avg output tokens (7d)
26 tokens
Input Price (Auto)
$0.10/1M
Output Price (Auto)
$0.20/1M
Cache Read (Auto)
$0.050/1M
Capabilities
Benchmarks
Benchmarks
Performance metrics and 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 35% of models compared
Reasoning
HLE
Humanity's Last Exam
8.0%
Better than 48% 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 35% of models compared
Last updated Sep 11, 2026
Artificial AnalysisProviders
Choose explicit providers for this model. Auto routing remains available as the default option.
Loading provider options…
Related text models
Compare Qwen3.5 4B with similar models from the same provider or model family.
Qwen 3.8 27B Queen
qwen/qwen3.8-27b-queenQwen 3.8 27B Queen is an open-weight roleplay finetune with image understanding, tool calling, optional reasoning, and a 262,144-token context window.
Qwen3 8B TEE
TEE/qwen3-8bQwen3 8B is an open-weight dense language model from Alibaba's Qwen team for efficient dialogue, reasoning, mathematics, coding, and tool use. Running inside a TEE (Trusted Execution Environment), with provider attestation support.
Qwen3.8 Max 0902
qwen/qwen3.8-max-0902Qwen3.8 Max 0902 is Alibaba's September 2 checkpoint of its flagship Qwen3.8 Max model for coding, knowledge work, data analysis, and long-running agent workflows. It supports text, image, video, PDF input, selectable thinking, tool calling, structured output, and a near-million-token context window.
Qwen3.8 Flash
qwen/qwen3.8-flashQwen3.8 Flash is Alibaba's latest fast multimodal model, with a million-token context window for coding, agentic workflows, visual understanding, long documents, codebases, and videos.
Qwen3.8 27B TEE
TEE/qwen3.8-27bQwen3.8 27B is an open-weight dense vision-language model from Alibaba for reasoning, coding, professional workflows, multimodal interaction, tool use, and structured output. Running inside a TEE (Trusted Execution Environment), with provider attestation support.
Qwen3.5 0.8B
qwen/qwen3.5-0.8bQwen3.5 0.8B is a lightweight open-weight multimodal model from Alibaba for fast reasoning, visual understanding, tool use, and JSON output.