Friday, April 3, 2026

From Infrastructure to Apps: A Deep Dive into the AWS AI Stack

 

Amazon’s AI stack, centered around Amazon Web Services (AWS), is vertically integrated. It spans from raw infrastructure all the way to end-user AI applications. The key idea: AWS doesn’t just give you models; it gives you every layer needed to build, train, deploy, and scale AI systems in production.


 

Let’s break it down cleanly, layer by layer.

Layer 1: Data Layer

Purpose: Enables data collection, storage, processing, and preparation for ML

  • Amazon S3: Scalable object storage for datasets and model artifacts
  • Amazon Redshift: Data warehousing for analytics and ML training
  • AWS Glue: Serverless data integration and ETL (Extract, Transform, Load) service
  • Amazon Kinesis: Real-time data streaming for ML applications
  • AWS Lake Formation: Build, secure, and manage data lakes for ML

Layer 2: Machine Learning Platform Layer (Bedrock)

Purpose: Hosts Amazon’s in-house Foundation models as well as APIs to access partners’ models

·       Amazon Foundation Models: Amazon has Nova family of Foundation models to cater to a variety of needs

o   Nova Pro: Designed for complex, multi-step tasks, offering top-tier performance for reasoning and understanding

o   Nova Lite: An efficient, fast, and cost-effective model suitable for text, image, and video tasks

o   Nova Micro: An extremely fast and lightweight model focused on high-throughput, low-latency text tasks

o   Nova 2 Omni (Preview): A multimodal reasoning model capable of processing text, images, video, and speech, while natively generating text and images

o   Nova Reel: Dedicated to generating short video content, including the ability to take reference images to guide video creation

o   Nova Canvas: Generates images and offers editing capabilities

o   Nova Act: Foundation model that interacts with UIs: clicks buttons, fills forms, navigates apps - ideal for legacy system automation

    • AWS IoT Greengrass: Run ML models locally on edge devices
    • AWS Panorama: Computer vision at the edge
    • AWS Outposts: Run AWS infrastructure on-premises for low-latency ML

Layer 3a: Tools for Builders’ Layer

Purpose: Tools for building custom ML models and workflows

  • SageMaker Studio: Integrated development environment (IDE) for ML
  • SageMaker Autopilot: Automated model building
  • SageMaker JumpStart: Pre-built models and solutions
  • SageMaker Pipelines: Orchestrate ML workflows
  • SageMaker Feature Store: Central repository for ML features
  • SageMaker Clarify: Detect bias and explain model predictions
  • SageMaker Edge Manager: Deploy models to edge devices
  • AWS Deep Learning AMIs: Pre-configured environments for deep learning frameworks (TensorFlow, PyTorch, etc.)
  • AWS Deep Learning Containers: Docker images for deep learning

Layer 3b: AI Application Layer

Purpose: Provide pre-build plug-n-play AI APIs for ML workloads

  • Amazon Rekognition: Image and video analysis (e.g., object detection, facial recognition)
  • Amazon Polly: Text-to-speech service
  • Amazon Lex: Build conversational interfaces (chatbots, voice assistants)
  • Amazon Comprehend: Natural language processing (NLP) for text analysis
  • Amazon Forecast: Time-series forecasting
  • Amazon Personalize: Real-time personalized recommendations
  • Amazon Textract: Extract text and data from documents
  • Amazon Transcribe: Automatic speech recognition
  • Amazon Translate: Language translation
  • Amazon Forecast: Time-series forecasting for demand planning, inventory optimization, etc.
  • Amazon Fraud Detector: Fraud prevention for transaction risk scoring, account takeover detection
  • Q Developer: Assistant for developers, acts as a pair programmer, helping write, debug, and upgrade code (including complex tasks like migrating legacy Java code). Amongst its capabilities include coding suggestions and security scanning.
  • Q Business: Ingests data from 40+ systems like Amazon S3 and Salesforce to help build “Q Apps” for sales, lawyers etc. to perform Q&A to help users get answers to their questions, provide summaries, generate content, and securely complete tasks based on data and information in their enterprise systems.

Users can also use Amazon Q Apps to generate apps in a single step from their conversation with or by describing their requirements.

  • Q in QuickSight: Natural language BI for asking questions about data

 

Which Layer Should You Use?

 

Requirement

Layer

Key Service

I want to build a custom LLM from scratch

Tools for Builders’ Layer

SageMaker

I want to build an AI agent for my app

Machine Learning Platform Layer

Bedrock

I need an AI to help my employees work faster

AI Applications Layer

Amazon Q