Uncover latent insights from all your content
Fully managed search as a service to reduce complexity and scale easily
Auto-complete, geospatial search, filtering, and faceting capabilities for a rich user experience
Built-in AI capabilities including OCR, key phrase extraction, and named entity recognition to unlock insights
Semantic search capability powered by deep learning models that understand user intent to surface and rank the most relevant search results
Start, maintain, and scale with minimal investment
Deploy a search index quickly and avoid operational maintenance. This fully managed cloud search service reduces the complexity of data ingestion and index creation by integrating with popular Azure storage solutions and offering index functionality exposed through a simple REST API or .NET SDK. Deploy a fully configured search service with intuitive user experiences such as scoring, faceting, suggestions, synonyms, and geo-search—all while avoiding the operational overhead needed to debug index corruption, monitor service availability, or manually scale during traffic fluctuations.
Create searchable content using integrated AI
Surface the most relevant results for your users based on search intent and not just keywords
Comprehensive security and compliance, built in
Microsoft invests more than $1 billion annually on cybersecurity research and development.
We employ more than 3,500 security experts who are dedicated to data security and privacy.
Get the power, control, and customization you need with flexible pricing
Azure Cognitive Search is available in combinable search units that include reliable storage and throughput to set up and scale a cloud search experience quickly and cost-effectively. Add search units to increase queries per second, to enable high availability, or for faster data ingestion. Remove search units during low traffic periods.
|BEST FOR||Estimating a projected index size and capacity planning.||Running workloads requiring light compute and storage requirements.||Most workloads, offering a balance of compute, memory, and storage.||Running workloads with high volumes of data cost-effectively when you need less memory and compute.|
|SEARCH UNIT||Free||Basic option||S1, S2, and S3 options||L1 and L2 options|
Document cracking: image extraction
Get started with an Azure free account
Start free. Get $200 credit to use within 30 days. While you have your credit, get free amounts of many of our most popular services, plus free amounts of 55+ other services that are always free.
After your credit, move to pay as you go to keep building with the same free services. Pay only if you use more than your free monthly amounts.
After 12 months, you'll keep getting 55+ always-free services—and still pay only for what you use beyond your free monthly amounts.
See how customers are using the cloud for sophisticated search
Eliminating manual processes to reduce time, error, and risk
Global engineering company Howden uses Cognitive Search to scale its technical review process to more quickly and accurately bid on incoming products.
Go to the documentation overview to learn how to consolidate searchable content into a single fast index for a broad range of scenarios, and learn more about the Cognitive Search pipeline.
Learning modules and quickstarts
See how to extract and enrich content using AI-powered algorithms with Cognitive Search resources and sample data, learn how Cognitive Search enables knowledge mining, and use the knowledge mining solution accelerator.
Explore resources to migrate apps, data, and infrastructure at your own pace. Use assessment, migration, and cost management tools free as you transition your on-premises workloads to Azure Virtual Machines.
Community and Azure support
Ask questions and get support from Microsoft engineers and Azure community experts on Azure Experts on Azure Community Support, or contact Azure support.
Popular templates and labs
Discover video walkthroughs and popular quickstart templates for common configurations made by Microsoft and the community.
Azure Cognitive Search resources
Explore Azure Cognitive Search on GitHub
Fuel App Innovation with Cloud AI Services
Learn 5 key ways your organization can get started with AI to realize value quickly.
Frequently asked questions about Cognitive Search
Cognitive Search is available in more than 20 countries/regions worldwide, and new ones are being added regularly.
Built-in indexers are available for Azure Cosmos DB, Azure SQL Database, Azure Blob Storage, and Microsoft SQL Server hosted in an Azure Virtual Machine. Use Azure Data Factory, with more than 80 connectors, or Azure Logic Apps to connect to your data source. Alternatively, push data into a Cognitive Search index, which has no restrictions on data source type.
Cognitive Search works with several popular formats, including Microsoft Word, PowerPoint, and Excel; Adobe PDF; and PNG, RTF, JSON, HTML, and XML.
Cognitive Search is a platform as a service that helps developers create their own cloud search solutions. Microsoft Search uses Cognitive Search technology to offer software as a service for enterprise search within Microsoft products.