Qwen 1.5 Chat (1.8B) overview
Qwen 1.5 Chat (1.8B) by Alibaba Cloud
Qwen 1.5 (1.8B) API supports text generation, chatbots, and content moderation with an efficient transformer architecture.
Qwen 1.5 Chat (1.8B) specs
- Developer
- Alibaba Cloud
- Input
- Text
- Output
- Text
- API
- OpenAI-compatible, base URL
https://api.aimlapi.com/v1
Qwen 1.5 Chat (1.8B) Description
Qwen 1.5 Chat (1.8B) is a dynamic conversational AI model tailored for efficient and effective communication. With 1.8 billion parameters, it strikes an optimal balance between speed and conversational depth, providing fluent and contextually aware interactions. It's designed for those seeking a high-quality chat experience without the heavy computational load of larger models.
Use Cases for the Model
This model is perfect for chatbot services, customer support, and interactive applications where speed and accuracy are key. Qwen 1.5 Chat (1.8B) can handle a wide range of conversations, from simple queries to more complex discussions, making it a versatile tool for businesses and developers alike.
How does it compare to other models?
Qwen 1.5 Chat (1.8B) offers a unique combination of performance and efficiency. It's capable of delivering quality interactions with less demand on computational resources, making it an ideal choice for those who need a reliable and responsive conversational AI in resource-constrained environments.
Tips for Maximizing Interaction Quality
To ensure the best performance from Qwen 1.5 Chat (1.8B), it’s important to use clear, context-rich prompts. Continuously training and updating the model based on interaction data will improve its understanding and ability to engage in more meaningful conversations.
Optimizing for Different Scenarios
The flexibility of Qwen 1.5 Chat (1.8B) allows it to be tailored to various conversational needs. Whether it’s for casual chatting, providing specific information, or engaging in complex dialogues, the model can be fine-tuned to enhance its effectiveness in each scenario. This adaptability makes Qwen 1.5 Chat (1.8B) a strong candidate for organizations looking to deploy efficient and capable conversational AI solutions.
Capabilities
- Function calling
- Streaming
- Structured outputs
Qwen 1.5 Chat (1.8B) API pricing
| Usage | Price | Unit |
|---|---|---|
| Input | $0.105 | 1M tokens |
| Output | $0.105 | 1M tokens |
Qwen 1.5 Chat (1.8B) is deprecated on AI/ML API. The rates apply to existing integrations; the models below are current alternatives.
Prices from the AI/ML API price list, checked on Nov 4, 2026.
Qwen 1.5 Chat (1.8B) vs other models: token prices
AI/ML API input and output rates for 5 models, per million tokens.
| Model | Input | Output |
|---|---|---|
 Qwen 1.5 Chat (1.8B) | $0.105 | $0.105 |
| Qwen3.8 Omni Flash | $0.15 | $0.47 |
| Qwen3.8-Flash | $0.16 | $0.47 |
| Qwen 3.8 27B | $0.4761 | $3.39 |
| Qwen3.8 Max Prime | $4.23 | $12.7 |
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Qwen 1.5 Chat (1.8B) FAQ
Does Qwen 1.5 Chat (1.8B) support streaming?
Yes, Qwen 1.5 Chat (1.8B) can stream responses as they are generated.
Does Qwen 1.5 Chat (1.8B) support tool calling and structured outputs?
Yes, Qwen 1.5 Chat (1.8B) supports both function calling and structured outputs.
Who created Qwen 1.5 Chat (1.8B)?
Qwen 1.5 Chat (1.8B) was built by Alibaba Cloud.
Which API endpoint version is used for Qwen 1.5 Chat (1.8B)?
It is served on the v1 endpoint.