Amazon Comprehend vs Lexalytics Salience
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Amazon Comprehend starts at See pricing page and Lexalytics Salience starts at See pricing page. Check both pricing pages for current plans.
At a glance
Best for
Category
Pricing model
Starting price
Free plan
Made by
Based in
Rating
Key features
- Entity and key phrase extraction
- Sentiment analysis
- Custom classification
- Custom entity recognition
- Topic modeling
- Sentiment analysis
- Entity extraction
- Categorization
- Intent detection
- Document summarization
| Feature | Amazon Comprehend | Lexalytics Salience |
|---|---|---|
| Best for | AWS natural language API for entities, sentiment and classification | On-premise NLP library for sentiment, entities and text categorization |
| Category | Data & analytics | Data & analytics |
| Pricing model | Freemium | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | No |
| Made by | Amazon Web Services | Lexalytics |
| Based in | United States | United States |
| Rating | No ratings yet | No ratings yet |
| Key features |
|
|
Both offer: Sentiment analysis.
Pricing compared
Amazon Comprehend starts at See pricing page and Lexalytics Salience starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
3 plans
Free Tier
Free
- 50K units of text per API monthly
- First 12 months only
Standard APIs
$0.0001 / unit (100 characters)
- Entities, sentiment, key phrases
- Volume discounts at scale
Custom models
$3 / training hour
- Endpoint inference billed per second
- Monthly model storage fee
Prices in USD, checked Nov 5, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Amazon Comprehend
- No ML expertise needed for basic APIs
- Custom models on your own labels
- Scales with other AWS services
- Free tier lasts only 12 months
- Custom models have no free tier
- Costs can be hard to estimate
Lexalytics Salience
- Runs fully on your own servers
- Many NLP tasks in one library
- Industry packs for specific domains
- No public pricing
- Needs developers to integrate
- Not an LLM-based assistant
Which one should you choose?
Choose Amazon Comprehend if you want:
- No ML expertise needed for basic APIs
- Custom models on your own labels
- Scales with other AWS services
Watch out: free tier lasts only 12 months.
Choose Lexalytics Salience if you want:
- Runs fully on your own servers
- Many NLP tasks in one library
- Industry packs for specific domains
Watch out: no public pricing.
Amazon Comprehend vs Lexalytics Salience FAQ
What is the difference between Amazon Comprehend and Lexalytics Salience?
Amazon Comprehend: AWS natural language API for entities, sentiment and classification. Lexalytics Salience: On-premise NLP library for sentiment, entities and text categorization. Both are data & analytics tools.
Is Amazon Comprehend or Lexalytics Salience cheaper?
Amazon Comprehend starts at See pricing page and Lexalytics Salience starts at See pricing page. Check both pricing pages for current plans.
Do Amazon Comprehend and Lexalytics Salience have free plans?
Amazon Comprehend: Yes. Lexalytics Salience: No.
Who makes Amazon Comprehend?
Amazon Comprehend is made by Amazon Web Services, based in United States.
Who makes Lexalytics Salience?
Lexalytics Salience is made by Lexalytics, based in United States.
Which should I choose, Amazon Comprehend or Lexalytics Salience?
Choose Amazon Comprehend if you value no ml expertise needed for basic apis and custom models on your own labels. Choose Lexalytics Salience if you value runs fully on your own servers and many nlp tasks in one library.