Question: Looking for a customizable search engine that can be seamlessly integrated into my website and provides end-to-end monitoring and data security.

You want a search engine that can be customized to fit your brand, easily integrated into your website, and monitored from end to end with data protected. Miso is a good choice. It's an AI search engine for publishers, with private LLMs that can be fine-tuned to your needs, end-to-end monitoring, and data protection. It's available 24/7 and has 99.99% true-to-source accuracy. It offers a citation-based search experience that can be customized to fit your brand. Integration is customizable with a JavaScript SDK and flexible APIs, and it can handle an unlimited catalog size with pricing that scales as needed.

Another good contender is Algolia. This AI-powered search infrastructure is geared for enterprises and developers who need fast, scalable search that can be integrated in a few minutes. It combines keyword search with vector understanding and can dynamically re-rank results based on user behavior and trends. Algolia is used in a variety of industries and use cases, including enterprise search, headless commerce, mobile and app search. It offers extensive documentation, integrations and API clients in many languages and frameworks, and flexible pricing including a Pay-As-You-Go option.

If you prefer an open-source option, Meilisearch offers a powerful search engine that can be easily integrated into websites and apps without any initial setup. It offers search-as-you-type with results in under 50 milliseconds and supports various integrations like filters, language detection and custom relevance. Meilisearch has strong security options and flexible pricing, making it suitable for a wide range of platforms and applications. The community-driven project also offers API keys and tenant tokens for better security.

If you're looking for a flexible, scalable option with strong security and customization options, OpenSearch is worth a look. This open-source option supports geospatial indexing, alerting, SQL/PPL support and more. It can be fully customized and run on a variety of infrastructure, making it a good fit for enterprise use cases. OpenSearch comes with a suite of tools like OpenSearch Dashboards and Data Prepper, and plugins for search, analytics, observability, security and machine learning. You can get started with the official Docker image and learn more through the community forum and extensive documentation.