PDF.ai vs stenoai
Side-by-side comparison of features, pricing, ratings, and alternatives.
PDF.ai combines a user-friendly PDF chat interface with a powerful REST API for parsing, extracting, and splitting PDFs. It allows individuals and developers to turn documents into structured data, automate workflows, and answer questions from any PDF. The platform offers a free tier, transparent per-credit pricing, and enterprise-grade security.
Steno is a highly secure, privacy-first AI notepad and notetaker designed for government and defence sectors. It provides a secure environment for taking notes and storing confidential information. With its AI-powered capabilities, Steno helps users to organize and analyze their notes efficiently.
Free plan available; paid plans are monthly; custom plans available on request.
- Very fast setup — one REST endpoint, no SDK required.
- User-friendly chat interface for non-developers.
- Secure document handling with automatic file deletion.
- Generous free tier with 200 credits per month.
- Highly secure and private
- AI-powered note organization and analysis
- User-friendly interface
- Customizable settings and options
- Credit-based pricing may be restrictive for very heavy users.
- Advanced custom data extraction may require prompt/API tuning.
- Requires internet connection and is not self-hosted.
- Limited availability on certain platforms
- May require additional setup and configuration
- Limited integration with non-secure apps and services
The Verdict
AI-generated from listing dataStenoAI offers a one‑time, highly secure, AI‑enhanced note‑taking desktop app for government/defence, while PDF.ai provides a free‑to‑start, API‑driven PDF chat and extraction service for broader user groups.
Key differences
- •StenoAI is a desktop‑only, end‑to‑end encrypted note‑taking app; PDF.ai is a cloud API for PDF interaction.
- •StenoAI uses a one‑time paid license; PDF.ai uses a credit‑based free tier with paid monthly plans.
- •Target audiences differ: StenoAI focuses on government/defence; PDF.ai targets students, researchers, developers, and businesses.
- •StenoAI is open‑source TypeScript with no API; PDF.ai offers a REST endpoint with no SDK required.
- •Security model: StenoAI encrypts notes locally; PDF.ai deletes files after cloud processing but does not offer local encryption.
Pricing & value
PDF.ai has a free tier (200 credits/month) and pay‑as‑you‑go; StenoAI requires a one‑time purchase.
Ease of use / learning curve
PDF.ai works via a simple web chat or single REST endpoint; StenoAI requires desktop installation and configuration.
Features & depth
StenoAI provides AI‑driven note organization, end‑to‑end encryption, and multi‑platform desktop app; PDF.ai focuses on PDF parsing only.
Integrations & ecosystem
PDF.ai offers an API for integration; StenoAI has no API and limited non‑secure app integration.
Collaboration
PDF.ai can be used by multiple users via the web/API; StenoAI is a single‑user desktop app.
Scalability
PDF.ai scales via cloud credits; StenoAI is limited to the installed desktop environment.
Security & privacy
StenoAI provides end‑to‑end encryption for notes; PDF.ai relies on cloud processing with file deletion after use.
Choose PDF.ai if…
Students, researchers, developers, or businesses needing quick PDF chat/extraction via a cloud API.
Choose stenoai if…
Government or defence agencies needing on‑premise, encrypted note‑taking with AI organization.
Common questions
Can I try either product for free?
PDF.ai offers a free tier (200 credits/month); StenoAI has no free tier, only a paid one‑time license.
Is my data stored on external servers?
StenoAI stores notes locally with end‑to‑end encryption; PDF.ai processes files in the cloud and deletes them after processing.
Do either tools provide an API for integration?
PDF.ai provides a REST API endpoint; StenoAI does not offer an API.