Name: Qwen 1.5 Chat (4B) API
Brand: Alibaba Cloud

How to use Qwen 1.5 Chat (4B) API

Install any OpenAI-compatible SDK, point it at api.aimlapi.com/v1, and set the model to .

OpenAI-compatible — swap the base URL and it works with your existing SDK.

Qwen 1.5 Chat (4B) API Pricing

Type	Price
Input
Output

Model	Input	Output	Context	Best for
Qwen 1.5 Chat (4B) This page
GPT-5.5	$6.5 / 1M tokens	$39 / 1M tokens	1M tokens	Reasoning + agents
Claude Sonnet 5	$2.6 / 1M tokens	$13 / 1M tokens	1M tokens	Balanced coding + agents
Kimi K3	$3.9 / 1M tokens	$19.5 / 1M tokens	1M tokens	Long-context, multimodal & agentic workflows
Gemini 3.5 Flash	$0.65 / 1M tokens	$3.9 / 1M tokens	1M tokens	Reasoning + agents

Yes, Qwen 1.5 Chat (4B) can stream responses as they are generated.

Yes, Qwen 1.5 Chat (4B) supports both function calling and structured outputs.

Qwen 1.5 Chat (4B) was built by Alibaba Cloud.

The model is available at the v1 endpoint.