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Azure Cognitive Services

Deploy high-quality AI models as APIs

What is Azure Cognitive Services?

Cognitive Services brings AI within reach of every developer—without requiring machine learning expertise. All it takes is an API call to embed the ability to see, hear, speak, search, understand, and accelerate decision-making into your apps. Enable developers of all skill levels to easily add AI capabilities to their apps.

Watch this 50-second video to see how to deploy AI solutions for various use cases using the programming languages you already know.

Explore the benefits of Cognitive Services

Create customizable, pretrained models built with breakthrough AI research

Deploy Cognitive Services anywhere from the cloud to the edge with containers

Get started quickly—no machine learning expertise required

Developed with strict ethical standards, empowering responsible use with industry-leading tools and guidelines

Azure Cognitive Services

Make smarter decisions faster

Anomaly Detector

Identify potential problems early on.

Content Moderator

Detect potentially offensive or unwanted content.


Create rich, personalized experiences for every user.

Extract meaning from unstructured text

Language Understanding

Build natural language understanding into apps, bots, and IoT devices.

QnA Maker

Create a conversational question and answer layer over your data.

Text Analytics

Detect sentiment, key phrases, and named entities.


Detect and translate more than 100 supported languages and dialects.

Improve customer experiences with Speech

Speech to Text

Transcribe audible speech into readable, searchable text.

Text to Speech

Convert text to lifelike speech for more natural interfaces.

Speech Translation

Integrate real-time speech translation into your apps.

Speaker Recognition

Identify and verify the people speaking based on audio.

Identify and analyze content within images and videos

Computer Vision

Analyze content in images and video.

Custom Vision

Customize image recognition to fit your business needs.

Face API

Detect and identify people and emotions in images.

Build your own Azure AI solutions

Learn essential AI concepts, get hands-on experience, and explore the latest AI products with resources designed specifically for practitioners.

Explore the whole family of Azure AI services

Build mission-critical AI solutions responsibly and on your terms with Azure AI services.

Azure Applied AI Services

Combine the AI models from Azure Cognitive Services with task-specific AI, built-in business logic, programming, orchestration, and customizability to bring you ready-to-deploy AI solutions.

Azure Machine Learning

Build, deploy, and manage machine-learning models with tools that make machine learning accessible regardless of your skill level.

See how customers are applying Cognitive Services

Accelerating innovation with Cognitive Services

Airbus uses Anomaly Detector in containers to monitor the health of its aircraft and fix potential problems before they occur, and to simplify pilot training with speech-enabled chatbots.


KPMG helps financial institutions save millions

KPMG uses Cognitive Services to transcribe and catalog thousands of calls, reducing compliance costs for its clients by as much as 80 percent.


Engaging global customers with real-time translation

Volkswagen uses Cognitive Services for high-quality real-time translations, enabling the company to better engage its global customer base.


Uber boosts platform security with facial recognition

Uber uses Cognitive Services to safeguard against fraud by helping to ensure that the driver using the app matches the account on file.


BBC innovates how it delivers trusted content

The BBC used Azure Cognitive Services and Bot Service to create an end-to-end, customized digital voice assistant that captures its brand identity and helps it establish a new conversational relationship with its broad audience.


Mine operator increases sustainability

Minsur uses Cognitive Services to closely monitor the sustainability of its process for transforming polluted water into an agricultural resource.


Documentation, training, and resources

Documentation and blogs

Get up and running with Cognitive Services by exploring these introductory resources.

Learning modules

Learn how to start building intelligent apps with step-by-step guidance from Microsoft Learn.

Community and Azure support

Ask questions and get support from Microsoft engineers and Azure community experts.

Frequently asked questions about Cognitive Services

  • Cognitive Services is available in several regions around the world. See availability by region.
  • We guarantee that Cognitive Services will be available at least 99.9 percent of the time. No service-level agreement (SLA) is provided for the Free tier. See SLA details.
  • See the compliance and privacy page for details.

Start building with Cognitive Services