ChatPDF vs Lilys AI
Neutral, data‑driven comparison to evaluate search & discovery.
Comparing 2 AI tools.
| Feature | ||
|---|---|---|
Upvotes | 39 | 20 |
Avg. Rating | 4.0 | 4.0 |
Slogan | Chat with any PDF – Instantly understand, organize, and analyze your documents with AI-powered intelligence. | Understand anything faster with multimodal AI notes |
Category | ||
Pricing Model | Freemium | Freemium |
Monthly Pricing (USD) | $19.99 – $5.35 / month Min$19.99 / month Mid— Max$5.35 / month | $0 – $6.99 / month Min$0 / month Mid— Max$6.99 / month Free tier |
Pricing Details | Free plan allows 2 PDFs per day with 120 pages max and 10MB file size limit, 50 questions per day. Plus plan starts at $19.99/month for unlimited PDFs, up to 2000 pages and 32MB per file, unlimited questions. Annual option available at $139.99/year. | Free plan $0/month with unlimited AI notes & chat, Starter plan $6.99/month, Basic plan available with higher pricing (exact USD amount not clearly disclosed). |
Platforms | ||
Target Audience | Students, Educators, Scientists, Business Executives, Remote Workers | Students, Educators, Scientists, Content Creators |
Website |
Why this comparison matters
This comprehensive comparison of ChatPDF and Lilys AI provides objective, data-driven insights to help you choose the best search & discovery solution for your needs. We evaluate both tools across multiple dimensions including feature depth, pricing transparency, integration capabilities, security posture, and real-world usability.
Whether you're evaluating tools for personal use, team collaboration, or enterprise deployment, this comparison highlights key differentiators, use case recommendations, and cost-benefit considerations to inform your decision. Both tools are evaluated based on verified data, community feedback, and technical capabilities.
Quick Decision Guide
Choose ChatPDF if:
- Enterprise-ready—ChatPDF offers enterprise-grade features, SSO, and dedicated support
- Mobile-first workflows—ChatPDF offers native mobile apps for on-the-go access
- Specialized in conversational ai—ChatPDF offers category-specific features and optimizations for conversational ai workflows
- Unique features—ChatPDF offers pdf chat and document analysis capabilities not found in Lilys AI
Choose Lilys AI if:
- Cost savings—Lilys AI starts at $0/month (100% less than ChatPDF's $19.99/month)
- Multilingual support—Lilys AI supports 11 languages vs ChatPDF's 9
- Performance focus—Lilys AI emphasizes speed and efficiency: "Understand anything faster with multimodal AI notes"
- Unique features—Lilys AI offers ai summarization and video summarization capabilities not found in ChatPDF
Pro tip: Start with a free trial or free tier if available. Test both tools with real workflows to evaluate performance, ease of use, and integration depth. Consider your team size, technical expertise, and long-term scalability needs when making your final decision.
When to Choose Each Tool
When to Choose ChatPDF
ChatPDF is the better choice when you prioritize specific features and capabilities. ChatPDF making it ideal for enterprise users requiring robust features.
Ideal for:
- Enterprise-ready—ChatPDF offers enterprise-grade features, SSO, and dedicated support
- Mobile-first workflows—ChatPDF offers native mobile apps for on-the-go access
- Specialized in conversational ai—ChatPDF offers category-specific features and optimizations for conversational ai workflows
- Unique features—ChatPDF offers pdf chat and document analysis capabilities not found in Lilys AI
Target Audiences:
When to Choose Lilys AI
Lilys AI excels when you need specific features and capabilities. Lilys AI making it ideal for teams with specific requirements.
Ideal for:
- Cost savings—Lilys AI starts at $0/month (100% less than ChatPDF's $19.99/month)
- Multilingual support—Lilys AI supports 11 languages vs ChatPDF's 9
- Performance focus—Lilys AI emphasizes speed and efficiency: "Understand anything faster with multimodal AI notes"
- Unique features—Lilys AI offers ai summarization and video summarization capabilities not found in ChatPDF
Target Audiences:
Cost-Benefit Analysis
ChatPDF
Value Proposition
Freemium model allows gradual scaling without upfront commitment. Pay-as-you-go pricing aligns costs with actual usage. API and SDK access enable custom automation, reducing manual work.
ROI Considerations
- API access enables automation, reducing manual work
Lilys AI
Value Proposition
Freemium model allows gradual scaling without upfront commitment. Pay-as-you-go pricing aligns costs with actual usage. API and SDK access enable custom automation, reducing manual work.
ROI Considerations
- API access enables automation, reducing manual work
Cost Analysis Tip: Beyond sticker price, consider total cost of ownership including setup time, training, integration complexity, and potential vendor lock-in. Tools with free tiers allow risk-free evaluation, while usage-based pricing aligns costs with value. Factor in productivity gains, reduced manual work, and improved outcomes when calculating ROI.
Who Should Use Each Tool?
ChatPDF is Best For
- Students
- Educators
- Scientists
- Business Executives
- Remote Workers
Lilys AI is Best For
- Students
- Educators
- Scientists
- Content Creators
Pricing Comparison
ChatPDF
Pricing Model
Freemium
Details
Free plan allows 2 PDFs per day with 120 pages max and 10MB file size limit, 50 questions per day. Plus plan starts at $19.99/month for unlimited PDFs, up to 2000 pages and 32MB per file, unlimited questions. Annual option available at $139.99/year.
Estimated Monthly Cost
$19.99 - $5.35/month
Lilys AIBest Value
Pricing Model
Freemium
Details
Free plan $0/month with unlimited AI notes & chat, Starter plan $6.99/month, Basic plan available with higher pricing (exact USD amount not clearly disclosed).
Estimated Monthly Cost
$0 - $6.99/month
Strengths & Weaknesses
ChatPDF
Strengths
- Free tier available
- Developer-friendly (2+ SDKs)
- API available
Limitations
- Few integrations
- Not GDPR compliant
Lilys AI
Strengths
- Free tier available
- Developer-friendly (2+ SDKs)
- API available
Limitations
- Few integrations
- Not GDPR compliant
Community Verdict
ChatPDF
Lilys AI
Integration & Compatibility Comparison
ChatPDF
Platform Support
Integrations
Developer Tools
SDK Support:
✓ REST API available for custom integrations
Lilys AI
Platform Support
Integrations
Developer Tools
SDK Support:
✓ REST API available for custom integrations
Integration Evaluation: Assess how each tool fits into your existing stack. Consider API availability for custom integrations if native options are limited. Evaluate integration depth, authentication methods (OAuth, API keys), webhook support, and data synchronization capabilities. Test integrations in your environment before committing.
Developer Experience
ChatPDF
SDK Support
API
✅ REST API available
Lilys AI
SDK Support
API
✅ REST API available
Deployment & Security
ChatPDF
Deployment Options
Compliance
GDPR status not specified
Hosting
Global
Lilys AI
Deployment Options
Compliance
GDPR status not specified
Hosting
Global
Common Use Cases
ChatPDF
+8 more use cases available
Lilys AI
+4 more use cases available
Making Your Final Decision
Choosing between ChatPDF and Lilys AI ultimately depends on your specific requirements, team size, budget constraints, and long-term goals. Both tools offer unique strengths that may align differently with your workflow.
Consider ChatPDF if:
- •Enterprise-ready—ChatPDF offers enterprise-grade features, SSO, and dedicated support
- •Mobile-first workflows—ChatPDF offers native mobile apps for on-the-go access
- •Specialized in conversational ai—ChatPDF offers category-specific features and optimizations for conversational ai workflows
Consider Lilys AI if:
- •Cost savings—Lilys AI starts at $0/month (100% less than ChatPDF's $19.99/month)
- •Multilingual support—Lilys AI supports 11 languages vs ChatPDF's 9
- •Performance focus—Lilys AI emphasizes speed and efficiency: "Understand anything faster with multimodal AI notes"
Next Steps
- Start with free trials: Both tools likely offer free tiers or trial periods. Use these to test real workflows and evaluate performance firsthand.
- Involve your team: Get feedback from actual users who will interact with the tool daily. Their input on usability and workflow integration is invaluable.
- Test integrations: Verify that each tool integrates smoothly with your existing stack. Check API documentation, webhook support, and authentication methods.
- Calculate total cost: Look beyond monthly pricing. Factor in setup time, training, potential overages, and long-term scalability costs.
- Review support and roadmap: Evaluate vendor responsiveness, documentation quality, and product roadmap alignment with your needs.
Remember: The "best" tool is the one that fits your specific context. What works for one organization may not work for another. Take your time, test thoroughly, and choose based on verified data rather than marketing claims. Both ChatPDF and Lilys AI are capable solutions—your job is to determine which aligns better with your unique requirements.
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FAQ
Is ChatPDF better than Lilys AI for Search & Discovery?
There isn’t a universal winner—decide by fit. Check: (1) Workflow/UI alignment; (2) Total cost at your usage (seats, limits, add‑ons); (3) Integration coverage and API quality; (4) Data handling and compliance. Use the table above to align these with your priorities.
What are alternatives to ChatPDF and Lilys AI?
Explore adjacent options in the Search & Discovery category. Shortlist by feature depth, integration maturity, transparent pricing, migration ease (export/API), security posture (e.g., SOC 2/ISO 27001), and roadmap velocity. Prefer tools proven in production in stacks similar to yours and with clear SLAs/support.
What should I look for in Search & Discovery tools?
Checklist: (1) Must‑have vs nice‑to‑have features; (2) Cost at your scale (limits, overages, seats); (3) Integrations and API quality; (4) Privacy & compliance (GDPR/DSA, retention, residency); (5) Reliability/performance (SLA, throughput, rate limits); (6) Admin, audit, SSO; (7) Support and roadmap. Validate with a fast pilot on your real workloads.
How should I compare pricing for ChatPDF vs Lilys AI?
Normalize to your usage. Model seats, limits, overages, add‑ons, and support. Include hidden costs: implementation, training, migration, and potential lock‑in. Prefer transparent metering if predictability matters.
What due diligence is essential before choosing a Search & Discovery tool?
Run a structured pilot: (1) Replicate a real workflow; (2) Measure quality and latency; (3) Verify integrations, API limits, error handling; (4) Review security, PII handling, compliance, and data residency; (5) Confirm SLA, support response, and roadmap.