kitio.aiAmplitude vs Lettria
A side-by-side look at pricing plans, free tiers, features, pros and cons, updated for 2026. Amplitude starts at See pricing page and Lettria 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
- Funnels and retention charts
- Session replay
- AI analytics agents
- Experimentation
- Customer data platform
- Document parsing
- Ontology generation
- Text-to-graph conversion
- GraphRAG retrieval
- Perseus developer tool
| Feature | Amplitude | Lettria |
|---|---|---|
| Best for | Product analytics platform with AI agents for insights | GraphRAG and ontology tools for regulated industries |
| Category | Data & analytics | Data & analytics |
| Pricing model | Freemium | Paid |
| Starting price | See pricing page | See pricing page |
| Free plan | Yes | No |
| Made by | Amplitude | Lettria |
| Based in | United States | France |
| Rating | No ratings yet | No ratings yet |
| Key features |
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Pricing compared
Amplitude starts at See pricing page and Lettria starts at See pricing page. Check both pricing pages for current plans.
Free plan
Cheapest paid plan
Top plan
Free trial
4 plans
Free
Free
- Core product analytics
- No credit card required
Plus
From $0, usage-based
- First 2M events/month free
- Scale up to 70M events
- AI agents and MCP
- Custom events and formulas
Growth
Custom
- Event-based pricing
- Advanced behavioral exploration
- Monitoring and alerts
- 20K monthly session replays
Enterprise
Contact sales
- Unlimited projects per portfolio
- Data access controls
- 50K monthly session replays
- Advanced user management
Prices in USD, checked Oct 28, 2026 or later. Plans change often, so confirm on each tool's site before you buy.
Pros and cons
Amplitude
- Deep behavioral analytics
- Generous free plan
- Analytics and experiments together
- Event tracking setup takes effort
- Costs scale with event volume
Lettria
- Answers are traceable to source documents
- Targets regulated sectors
- Business experts can review ontologies
- Pricing is sales-led
- Needs ontology and graph know-how
- Heavy for simple document search
Which one should you choose?
Choose Amplitude if you want:
- Deep behavioral analytics
- Generous free plan
- Analytics and experiments together
Watch out: event tracking setup takes effort.
Choose Lettria if you want:
- Answers are traceable to source documents
- Targets regulated sectors
- Business experts can review ontologies
Watch out: pricing is sales-led.
Amplitude vs Lettria FAQ
What is the difference between Amplitude and Lettria?
Amplitude: Product analytics platform with AI agents for insights. Lettria: GraphRAG and ontology tools for regulated industries. Both are data & analytics tools.
Is Amplitude or Lettria cheaper?
Amplitude starts at See pricing page and Lettria starts at See pricing page. Check both pricing pages for current plans.
Do Amplitude and Lettria have free plans?
Amplitude: Yes. Lettria: No.
Who makes Amplitude?
Amplitude is made by Amplitude, based in United States.
Who makes Lettria?
Lettria is made by Lettria, based in France.
Which should I choose, Amplitude or Lettria?
Choose Amplitude if you value deep behavioral analytics and generous free plan. Choose Lettria if you value answers are traceable to source documents and targets regulated sectors.