vioscaleAI
Comparison

Amazon Comprehend vs spaCy

No clear leader: spaCy (54.3) and Amazon Comprehend (53.1) are within the 5-point margin; treat as a tie. The attribute-by-attribute breakdown below, with a source and date on every value, is the honest way to compare them.

Amazon Comprehend full profile →spaCy full profile →
Machine formatsMarkdownJSONGraphQLMarkdown is open. JSON and GraphQL need a free key.
Amazon Comprehend53
spaCy54
Score
vioscaleAI score
Amazon Comprehend53 / 100medium · 54%
spaCy54 / 100low · 39%
Pricing
Free tier
Amazon Comprehend✓
spaCy✓
Model
Amazon Comprehendfreemium
spaCyopen_source
Price level
Amazon Comprehendlow
spaCyfree
Starting price
Amazon Comprehend$0.50
spaCy–
Transparent
Amazon Comprehend✓
spaCy✓
Integrations
Count
Amazon Comprehend2
spaCy2
Security
Certifications
Disclosure policy
Amazon Comprehend✓
spaCy–
Fedramp
Amazon Comprehend✓
spaCy–
Gdpr
Amazon Comprehend✓
spaCy–
Hipaa
Amazon Comprehend✓
spaCy–
Pci
Amazon Comprehend✓
spaCy–
Scorecard
Amazon Comprehend–
spaCy5.1
Trust center
Amazon Comprehendhttps://aws.amazon.com/compliance/
spaCy–
Vulnerabilities
Adoption
Dependent repos
Amazon Comprehend–
spaCy15,793
Github stars
Amazon Comprehend–
spaCy33,966
Activity
Commits last 30d
Amazon Comprehend–
spaCy13
Release
Cadence days
Amazon Comprehend–
spaCy20
History
Amazon Comprehend–
spaCy20 items
License
Spdx
Amazon Comprehend–
spaCyMIT
Language
Primary
Amazon Comprehend–
spaCyPython
Market
Availability
Content
Faq
Amazon Comprehend6 items
spaCy5 items

Capabilities

Feature-by-feature on the axes that matter for nlp apis. “-” means undocumented, not absent.

Capabilities
Custom model training
Amazon Comprehend✓
spaCy✓
Domain specific models
Amazon Comprehend✓
spaCy✓
Deployment model
Amazon ComprehendCloud API only
spaCyBoth
Batch processing
Amazon Comprehend✓
spaCy-
Real time latency
Amazon Comprehend✓
spaCy-
Embeddings endpoint
Amazon Comprehend-
spaCy✓
Data residency EU
Amazon Comprehend-
spaCy-
Open source
Amazon Comprehend✗
spaCy✓
Pricing model
Amazon ComprehendUsage based compute
spaCyOpen source self host

What each one is

The product in its own terms, so the numbers below have context.

Amazon Comprehend

Amazon Comprehend is an AWS managed service that analyzes unstructured text to identify entities, sentiment, key phrases, topics, language, and personally identifiable information. It offers pre-built APIs for common NLP tasks and custom model training capabilities for domain-specific document classification and entity extraction.

Independently observed

spaCy

An open-source NLP framework for building and deploying language processing systems in production. Supports tokenization, text classification, neural model training, and includes tools for model management, packaging, and workflow automation.

Independently observed

Pricing

List pricing as published by each vendor, with the date we read it. Always verify at the source before you buy.

Amazon Comprehend

from $0.50/moUsage-basedFree tier

Usage-based pricing starting at $0.0001 per unit for standard APIs. Free tier provides 50K units per API per month for 12 months. Custom models charged separately.

  • Standard APIsFree
    • Entity recognition
    • Sentiment analysis
    • Syntax analysis
    • Key phrase extraction
    • Language detection
    • +3 more
  • Custom Classification and Entity Models$3/hour for training, $0.50/month model management, $0.0005 per inference unit per second for real-time endpoints
    • Custom model training
    • Asynchronous batch inference
    • Synchronous real-time inference with provisioned endpoints
    • Model management and storage
as of verify ↗

spaCy

Open sourceFree tier

Free, open-source library

as of verify ↗

Platform & deployment

Where each product runs and how it can be hosted. A dash means undocumented, not unsupported.

Platforms
Web
Amazon Comprehend✓
spaCy✗
macOS
Amazon Comprehend✗
spaCy✓
Windows
Amazon Comprehend✗
spaCy✓
Linux
Amazon Comprehend✗
spaCy✓
CLI
Amazon Comprehend✓
spaCy✓
Deployment
Cloud / SaaS
Amazon Comprehend✓
spaCy✗
Self-hosted
Amazon Comprehend✗
spaCy✓

Integrations

What each product connects to. Counts come from the vendor's own integration directory where one exists.

Amazon Comprehend

2 total
  • Knowledge Bases
  • Bedrock Data Automation
Independently observed

spaCy

3 total
  • PyTorch
  • OpenAI
  • Hugging Face
Independently observed
Still deciding?

Amazon Comprehend or spaCy: which one depends on you

A composite score cannot know your constraints. Describe them and both get re-weighted against what you actually need, with the evidence behind every position.

Free to run, no account needed to start. How the evaluation works

Comparison generated from independently-sourced facts. Every value links to its source and retrieval date. See the method.