ChatPDF vs Exa
A side-by-side comparison to help you choose between ChatPDF and Exa.
| ChatPDF | Exa | |
|---|---|---|
| Description | AI document assistant that answers, summarizes, cites, translates, and organizes PDFs and related documents across devices. | AI-native search API for agents combining semantic web search, content extraction, deep research, and structured data. |
| Category | 搜索研究与知识管理 | 搜索研究与知识管理 |
| Pricing | freemium · ChatPDF did not expose a standalone public pricing page during retrieval; /pricing returned a not-found page. Official pricing was verified from the Plus upgrade modal on chatpdf.com and the official App Store listing. The web Plus modal lists monthly billing at US$15.99/month and annual billing at US$6.42/month with a "save 60%" label. The iOS App Store listing shows Monthly Plus Subscription at $14.99 and the ChatPDF Yearly Plus Plan at $89.99. Official public pages state that free users can analyze two documents or PDFs per day. The Plus modal lists unlimited PDFs, unlimited questions, 2,000 pages per PDF, 50 PDFs per folder, and a high-quality model. The API documentation exposes endpoint and file limits but did not show public API prices on the reviewed documentation page. | freemium · Exa is priced mainly as usage-based API infrastructure. The public pricing page lists a Free Tier, Search at $7 per 1,000 requests, Contents at $1 per 1,000 pages per content type, Deep Search at $12-15 per 1,000 requests, Monitors at $15 per 1,000 requests, Answer at $5 per 1,000 requests, and Agent runs from $0.012 to $1.00 per fixed-effort request. Enterprise is custom and adds higher limits, custom indexes, custom QPS, moderation, SLAs, MSAs, onboarding, Zero Data Retention, and volume discounts. Official pages currently use two free-tier descriptions: the pricing page says "up to 20,000 requests per month for free," while the Billing documentation says new accounts receive $10 onboarding credits and accounts with a payment method receive $7 monthly credits that expire at month end. Treat dashboard billing as the final source before committing production volume. |
| Rating | 4.0 | 4.4 |
| Features | Cited source answersMulti file conversationsPDF summarizationLanguage translationSide by side view | Semantic web searchContent extraction with highlightsDeep research agentsConfigurable latencyToken efficient excerpts |
| Website | Visit | Visit |
Template
Run Your Own AI Directory
Everything this site runs on — the directory, the pipelines, the admin console — delivered as one template you deploy and own.
AI Workflow Center
Launch price$89 once- Full Next.js source code + 10 pipelines
- Admin console with built-in analytics
- Agent Skills for zero-config setup
- Self-hosted — no recurring platform fees
One-time purchase · Instant source download · Deploy on any VPS