Amazon Comprehend

● Identity checked

Cloud AI · Vendor site 2026-10-04

Amazon Comprehend is a managed AWS natural language processing service for entity recognition, sentiment, topic modeling, and custom classification on text. Customers pay per unit of text processed and can train custom models with asynchronous or real-time endpoints billed by usage rather than flat monthly seats.

Updated 2026-10-04View sources

Official website

Category: Cloud AI
Free access: AWS Free Tier covers 50K units of text (5M characters) per Comprehend API per month for 12 months for new accounts.
API access: Comprehend is accessed through AWS SDKs and REST APIs with per-request metering documented on the pricing page.

Is Amazon Comprehend right for you?

A good fit for

Teams already on AWS who need NLP features in pipelines without training models from scratch.

Before you choose

Pricing is pay-per-unit and endpoint-hour usage; there are no simple monthly USD seat plans on the product page.

Managed NLP on AWS

Amazon Comprehend delivers pretrained and custom text analytics through metered AWS APIs suited to batch and real-time inference workloads.

What it can do

Features & capabilities

Unknown is different from unavailable. Each fact carries its own evidence.

Capability	Value	Evidence	Checked
NLP APIs	Product page describes entity, sentiment, topic, and custom classification APIs.	Facts sourced	2026-10-04
Free tier	Pricing page notes 50K units per API free for 12 months for eligible new AWS customers.	Facts sourced	2026-10-04
Custom models	Pricing explains custom training billed per hour and inference units per second on endpoints.	Facts sourced	2026-10-04

Understand the total cost

Amazon Comprehend pricing & plans

Pricing

Not listed

Official monthly price not confirmed

API: Comprehend is accessed through AWS SDKs and REST APIs with per-request metering documented on the pricing page.

Explore pricing & history

Alternatives to Amazon Comprehend

View all ↗

Ghostly Chat

Ghostly lets businesses deploy custom knowledge chatbots trained on uploaded files and website links using their own OpenAI API keys. Pricing charges for bot infrastructure while customers pay model usage directly to OpenAI.

Explore tool

GPTHelp

GPTHelp lets website owners train embeddable AI chatbots on their content with unique URLs, dashboards, and retraining controls. Plans scale monthly message allowances from starter sites to business teams, with optional enterprise integrations.

Explore tool

pdfAssistant.ai

pdfAssistant.ai is a no-code PDF automation platform that combines AI chat, document processing, and workflow edits on monthly credit allowances. Teams preview results free, then upgrade for higher message, processing, and workflow limits across Starter through Enterprise tiers.

Explore tool

The practical questions

Frequently asked questions

What is Amazon Comprehend used for?

Does Amazon Comprehend have a free plan?

AWS Free Tier covers 50K units of text (5M characters) per Comprehend API per month for 12 months for new accounts.. This record does not confirm an ongoing free plan.

How much does Amazon Comprehend cost?

A listed monthly price has not been confirmed. See the plan cards for entitlements, billing commitments and seat minimums.

Can I use Amazon Comprehend through an API?

Comprehend is accessed through AWS SDKs and REST APIs with per-request metering documented on the pricing page.. API access and subscription access may have different terms; consult the linked sources.

What should I check before choosing it?

Pricing is pay-per-unit and endpoint-hour usage; there are no simple monthly USD seat plans on the product page.

Price history

No retained pricing changes yet. A current price alone does not establish a historical trend.

How this profile is supported

Identity and profile

Reviewed vendor source

Read original source ↗

2026-10-04

Facts apply to the named version and check date. Send a sourced correction if something changed.