Qwen 1.5 (0.5B) API

Qwen 1.5 (0.5B) API is a lightweight language model for efficient text generation and conversational AI applications.

Modalities
TextText
Model type
Chat
Status
Deprecated

Qwen 1.5 (0.5B) overview

Qwen 1.5 (0.5B) specs

Developer
Alibaba Cloud
Input
Text
Output
Text
API
OpenAI-compatible, base URL https://api.aimlapi.com/v1

Qwen 1.5 (0.5B) Description

Qwen 1.5 (0.5B) is an AI conversational model designed to deliver high-quality interactions with remarkable efficiency. Despite its relatively smaller size of 500 million parameters, it provides a robust framework for understanding and generating natural language, making it suitable for a wide range of conversational applications.

How does it compare to other models?

Qwen 1.5 (0.5B) is notable for its balance of compactness and performance. It offers a cost-effective solution for organizations seeking to leverage conversational AI without the need for the computational power required by larger models. This makes it especially appealing for small to medium-sized enterprises or applications with limited resource availability.

Tips for Maximizing Interaction Quality

To ensure optimal performance from Qwen 1.5 (0.5B), it's important to craft prompts that are clear and contextually rich. Continuously refining the model based on user interactions and feedback can significantly improve its ability to engage in more relevant and satisfying conversations.

Optimizing for Different Scenarios

The versatility of Qwen 1.5 (0.5B) allows it to adapt to various conversational needs, from simple informational responses to more complex dialogues. Tailoring the model to specific use cases enhances its ability to deliver accurate and engaging interactions, making it a valuable asset for any organization looking to implement efficient and effective conversational AI.

Use cases

  • Text generation on arbitrary topics
  • Chatbots and conversational assistants
  • Language understanding and processing
  • Multilingual applications and code generation or comprehension

Capabilities

  • Function calling
  • Streaming
  • Structured outputs
  • Web search

Qwen 1.5 (0.5B) API pricing

Qwen 1.5 (0.5B) pricing in US dollars
UsagePriceUnit
Input$0.1051M tokens
Output$0.1051M tokens

Qwen 1.5 (0.5B) 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 (0.5B) vs other models: token prices

AI/ML API input and output rates for 5 models, per million tokens.

AI/ML API model prices in USD per million tokens
ModelInputOutput
Qwen 1.5 (0.5B)$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 (0.5B) FAQ

How much does Qwen 1.5 (0.5B) cost?

Qwen 1.5 (0.5B) is priced at input $0.105 / 1M, output $0.105 / 1M.

Does Qwen 1.5 (0.5B) support streaming?

Yes, Qwen 1.5 (0.5B) can stream responses as they are generated.

Does Qwen 1.5 (0.5B) support tool calling and structured outputs?

Yes, Qwen 1.5 (0.5B) supports both function calling and structured outputs.

Who created Qwen 1.5 (0.5B)?

Qwen 1.5 (0.5B) was built by Alibaba Cloud.

Start building with Qwen 1.5 (0.5B)