Exa vs Paperpal
A side-by-side comparison to help you choose between Exa and Paperpal.
| Exa | Paperpal | |
|---|---|---|
| Description | AI-native search API for agents combining semantic web search, content extraction, deep research, and structured data. | AI academic writing assistant for drafting, editing, citations, plagiarism, AI detection, and submission checks. |
| Category | 搜索研究与知识管理 | 搜索研究与知识管理 |
| Pricing | 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. | freemium · Paperpal has a permanent Free tier, a Prime subscription sold monthly, quarterly, annually, and as 2-year or 3-year prepaid plans, plus team discounts and custom institutional plans. The official subscription API returned list prices of $25 monthly, $55 quarterly, $139 yearly, $229 for 2 years, and $289 for 3 years. The public pricing page on 2026-07-08 showed a limited 4th of July offer giving 35% off the annual Prime plan with code 4JULY, reducing the annual price from $139 to $90.35. |
| Rating | 4.4 | 4.1 |
| Features | Semantic web searchContent extraction with highlightsDeep research agentsConfigurable latencyToken efficient excerpts | Plagiarism checkAI detectionGrammar checkReference checkAI writing assistantPDF chat |
| Website | Visit | Visit |
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