Amazon Comprehend Pricing
aws.amazon.com · Natural Language Processing · refreshed 2026-05-06Amazon Comprehend is a pay-as-you-go API — sign up for an API key, then pay per call. Free tier available — 50,000 units (5M characters) per month for 12 months.
Page fetched 2026-05-09 · aws.amazon.com · Pay-as-you-go API
aws.amazon.com/comprehend/pricing/
Amazon Comprehend pricing
Sign up, get an API key, pay per call
Self-serve checkout with public pricing — an autonomous agent can complete the purchase without a sales call.
7 SKUs priced in mixed units (characters, MB, hour…)
| Model / SKU | Input | Output |
|---|---|---|
Standard NLP | $0.0001 / 100 characters | — |
Custom Classification (async) | $0.0005 / 100 characters | — |
Topic Modeling (first 100 MB) Flat rate for up to 100 MB | $1 / 100 MB | — |
Topic Modeling (additional MB) | $0.004 / MB | — |
Model Training Billed by the second | $3 / hour | — |
Model Management | $0.5 / month | — |
Inference Unit (IU) Per IU provisioned | $0.0005 / second | — |
Estimate your monthly bill
Amazon Comprehend bills per usage. Set your expected monthly volume below.
Pick a model / SKU
Monthly usage (characters)
$0.000001 per characters · billed monthly
$0.0001
per monthAmazon Comprehend pricing FAQ
Amazon Comprehend pricing starts at $0.0001 per 100 characters unit; a free tier of 50,000 units (5 M characters) is available; paid usage up to $0.004 per MB for topic modeling. Billed per usage.
Amazon Comprehend is priced per usage rather than per seat. Sign up for an API key, then pay per call.
Yes — Amazon Comprehend publishes a free tier. 50,000 units (5M characters) per month for 12 months.
Yes — Amazon Comprehend's purchase motion is self-serve. No demo is required.
Yes — Amazon Comprehend's API documentation is publicly accessible, and the API is the primary product surface. An AI agent or developer can inspect the integration surface without authentication.
xpay scored Amazon Comprehend as agent-ready: every advertised plan is self-serve with public pricing. Amazon Comprehend publishes a pricing page with 3 discoverable plan tier(s). A usage-based price is published, though task-level forecasting requires the agent to estimate consumption first. Self-serve signup exists alongside a sales-led / custom tier. Public API documentation is reachable without an auth wall. A free or freemium tier is offered. For the full purchase simulation see the linked Agent-Ready Index scorecard.
In the Natural Language Processing category, xpay's Agent-Ready Index lists alternatives ranked by their ability to support AI agent purchase. Visit the agent-readiness scorecard for Amazon Comprehend to compare with 3 nearest peers.
Top Amazon Comprehend alternatives by pricing transparency
Can an AI agent buy from Amazon Comprehend?
85
/ 100 in xpay's Agent-Ready SaaS IndexAmazon Comprehend scores 85/100 on xpay's Agent-Ready Index v2: partial pricing visibility; self-serve checkout is available; a public API exists with documentation; usage-based / per-token pricing is…
See the full scorecardIncludes the 6-step agent purchase simulation, score breakdown across 7 dimensions, and the one-line fix that would lift Amazon Comprehend into the Agent-Ready Verified band.At a glance
50,000 units (5M characters) per month for 12 months
Pay-as-you-go
Pay-as-you-go
7 models priced per undefined
API key signup
7
Pay-as-you-go API
Most agent-ready
Amazon Comprehend pricing summary derived from a live read of https://aws.amazon.com/comprehend/pricing/ on 2026-05-06. For the agent-readiness assessment — including the 6-step purchase simulation and a per-dimension scorecard — see xpay's Agent-Ready SaaS Index entry for Amazon Comprehend.
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25,480+ SaaS scored on agent-buyability — browse by readiness band, category, or jump straight to a pay-per-run tool on xpay.tools.