Models / QwenQwen / / Qwen3 4B API

Qwen3 4B API

4.0B-parameter compact conversational AI model with grouped-query attention optimized for efficient chat applications and instruction following tasks.

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Qwen3 4B API Usage

Endpoint

Qwen/Qwen3-4B

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How to use Qwen3 4B

Model details

Conversation Format:
• Advanced system/user/assistant format with dynamic expert activation
• Supports complex multi-turn dialogues with reasoning chains
• Efficient inference through mixture-of-experts architecture
• Strong performance on coding, mathematics, and creative tasks

Expert Utilization:
• Different experts activated based on input content and task requirements
• Seamless switching between mathematical, coding, and linguistic experts
• Contextual understanding with efficient resource allocation
• Maintains conversation quality while optimizing computational efficiency

Optimization Strategies:
• Leverages specialized experts for domain-specific tasks
• Benefits from explicit task specification in prompts
• Responds well to structured reasoning requests
• Optimized for both creative and analytical applications

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Prompting Qwen3 4B

Chat model with system/user/assistant format. Supports conversational context and instruction following capabilities.

Applications & Use Cases

Efficient chatbots mobile assistants resource-constrained chat applications simple conversation tasks educational tools.

Model Provider:

Qwen

Type:

Chat

Variant:

Parameters:

4.0B

Deployment:

✔ Serverless

✔ On-Demand Dedicated

✔ Monthly Reserved

Quantization

Context length:

32K

Pricing:

Check pricing

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