LangSearch offers two free APIs: Web Search API and Rerank API – designed to provide high-quality, accurate search results and improve search accuracy for LLM applications. These tools are essential for AI applications such as chatbots and agents, ensuring access to reliable information in real time without the high costs associated with other APIs. LangSearch is committed to making these tools accessible to individuals and small teams as they work together to build AGI.

Main features:

1. Free Web Search API
   Access billions of web documents, including news, images and videos. Use hybrid search to combine keywords and vectors for better accuracy and get long text summaries with markdown support.
2. Free semantic reranking API
   Improve search accuracy with semantic reranking. Easily integrate this functionality into existing systems with minimal infrastructure changes.
3. Easy integration
   Seamlessly integrate LangSearch APIs into your applications using LLM tools and AI agent plugins. Flexible API calls support custom filter conditions.
4. Absolutely free
   No credit card required. Free access for individuals and small teams with no hidden fees or subscriptions.

Use case:

1. AI chatbot improvement
   A small development team is working on an AI chatbot that requires up-to-date and accurate information from the web. By integrating the LangSearch Web Search API, they can ensure their chatbot provides reliable, context-rich answers without worrying about high API costs.
2. Academic research
   A researcher must quickly collect and summarize data from various online sources. Using the LangSearch Web Search API, they access comprehensive search results and long-text summaries, streamlining their search process and improving efficiency.
3. Content curation
   A content creator wants to curate articles and news on specific topics. With the LangSearch Rerank API, they can refine search results to prioritize the most relevant and fresh content, ensuring their audience receives the best possible information.

Conclusion:

LangSearch’s free web search and reranking APIs provide an invaluable resource for individuals and small teams developing AI applications. By providing accurate, high-quality context and improving search accuracy, these tools help developers build robust and reliable applications without the burden of excessive costs. Join LangSearch on their mission to build AGI by leveraging these powerful, free resources.