Amazon vs Scale AI

Amazon — Application · Public · $2.8T mkt cap · 4 of 4 figures sourced  |  Scale AI — Infrastructure · Private · $29B valuation · 3 of 3 figures sourced

Relationship

Contrary Research names AWS's machine-learning suite as a competing ecosystem to Scale AI's ML tooling. Amazon SageMaker AI is AWS's flagship model-training product and, like Scale Data Engine, carries train-a-model.

3 of 23 capabilitiesShared product typeSmaller scaleSourced competitorTrain or fine-tune a model

3 of 23 capabilities — Shares data analysis, evaluation and observability and knowledge retrieval.

Ludbee capability tags · from the product records

Shared product type — Both ship data service and platform.

Ludbee product records

Smaller scale — Scale AI: $29B valuation, against Amazon's $2.8T market cap.

Ludbee scale figures · valuation, market cap or revenue estimate

Sourced competitor — “AWS ML Suite is a suite of machine learning tools provided by AWS.”

research.contrary.com · checked 2026-09-19

Train or fine-tune a model — Rivals on this job — Adapt a base model to a domain, or train one from scratch — the platforms, capacity and tooling that job needs.

Ludbee needs vocabulary · the scope on the sourced edge

Aligned comparison

FieldAmazonScale AI
Size$2.8T mkt cap$29B valuation different basis
Employees1,576,0001,300 Scale AI has 1212× fewer
Founded19942016 22 yrs later
StatusPublicPrivate
CategoryApplicationInfrastructure
Stack layerAPI service, Agent platform, Application, Data service, Developer tool, Hardware, Model API, PlatformData service, Platform
HeadquartersSeattle, USASan Francisco, USA

Capability overlap

Shared · 3

Data analysisEvaluation and observabilityKnowledge retrieval

Not verified for Scale AI · 20

Accelerator siliconAgent orchestrationAgentic codingAI compute hardwareClinical documentationCode generationCode reviewCustomer supportDocument extractionModel hostingModel inferenceModel trainingSpeech to textText to speechTranslationVector searchVideo analyticsVoice agentSearch answersWorkflow automation

Recorded for Amazon. Scale AI’s product records say nothing either way — a missing record is not a missing capability.

Not verified for Amazon · 1

Data labelling

Recorded for Scale AI. Amazon’s product records say nothing either way — a missing record is not a missing capability.

Products, side by side

Hand-checked pairing

Amazon

Platform

AWS TransformPlatform

Agentic-AI enterprise IT transformation workbench that accelerates cloud migration, application modernization (mainframe, Windows, custom code) and continuous tech-debt reduction.

Amazon Bedrock AgentCorePlatform

Production AI-agent operational platform (framework- and model-agnostic) providing security controls, tool integration, debugging and evaluation for deployed agents.

Amazon Connect CustomerPlatform

Cloud contact-centre service, formerly simply 'Amazon Connect', now positioned as an agentic-AI customer-experience solution: AI agents and intelligent routing across voice, chat, email, SMS, web and WhatsApp, designed on a no-code canvas, with real-time performance tracking for agents and supervisors.

Amazon SageMaker AIPlatform

AWS's unified platform for building, training and deploying machine learning and generative AI models.

Data service

Amazon KendraData service

A managed AWS enterprise search service that answers natural-language queries and powers retrieval-augmented generation over indexed content.

Scale AI

Platform

Scale DonovanPlatform

AI platform for defence and intelligence users, for searching, summarising and reasoning over operational data.

Scale GenAI PortfolioPlatform

Platform for building and evaluating enterprise generative-AI applications against a customer's own data.

Data service

Scale Data EngineData service

Data labelling and curation service producing training and evaluation sets for AI models.

No counterpart

Amazon sells these in a stack layer with no product recorded for Scale AI yet — nothing on the other side to compare them against.

Application

Alexa+Application

Amazon's generative-AI Alexa: a conversational assistant across Echo devices and the Alexa app that handles multi-step requests, remembers context and acts on behalf of the user.

API service

AWS HealthScribeAPI service

HIPAA-eligible service that transcribes patient-clinician conversations and generates preliminary clinical documentation with evidence mapping back to the transcript.

Amazon ComprehendAPI service

Natural-language-processing service that extracts key phrases, sentiment, entities, document classification and PII redaction from text.

Amazon LexAPI service

A managed AWS service for building voice and text conversational bots, built on the same technology as Alexa.

Amazon PersonalizeAPI service

Recommendation engine trained on user-interaction data to deliver real-time personalized recommendations across web, app and marketing channels.

Amazon PollyAPI service

A managed AWS API that converts text into synthesized speech across more than 40 languages and voice styles.

Amazon RekognitionAPI service

A managed AWS API for image and video analysis, including object and face detection, text extraction from images and content moderation.

Amazon TextractAPI service

A managed AWS API that extracts text, handwriting, forms and tables from scanned documents.

Amazon TranscribeAPI service

A managed AWS API that converts speech to text using an automatic speech recognition model.

Amazon TranslateAPI service

Neural machine translation service for batch and real-time cross-lingual text translation with brand-terminology customization.

Agent platform

Amazon Connect HealthAgent platform

Agentic AI for healthcare providers and health-tech developers: patient verification, appointment management, ambient clinical documentation, patient insights and medical coding, delivered inside Amazon Connect Customer for patient engagement and via an SDK at the point of care.

Amazon Nova ActAgent platform

An AWS platform for building and running AI agents that automate browser-based UI workflows, billed per agent-hour of active work.

Amazon QuickAgent platform

AWS's subscription AI work assistant combining chat-based research, business-intelligence dashboards and workflow automation, positioned as the successor to Amazon Q Business.

Developer tool

Amazon Q DeveloperDeveloper tool

An AWS coding assistant that generates, reviews, tests and autonomously modifies code inside IDEs and the CLI.

KiroDeveloper tool

Agentic AI development platform (IDE, CLI, web, mobile) that turns prompts into executable specs, validates code with property-based testing and runs parallel agents across large codebases.

Model API

Amazon BedrockModel API

AWS service that serves models from several providers behind one API, with tooling for agents and evaluation.

Hardware

AWS InferentiaHardware

AWS's custom silicon for machine learning inference, purchased via Amazon EC2 Inf1 and Inf2 instances rather than as a standalone chip.

AWS TrainiumHardware

Amazon's own training accelerator, rented by the hour inside EC2 instances rather than sold as a part.