Exa vs Perplexity
Two search AI tools compared on the facts: what each one does, how it charges, and where their capabilities overlap. We track tools, we don't rate them, so there is no winner declared here. The differences below should make the right pick for your use case obvious.
Exa
Web search API built for AI agents
Exa is a web search and crawling API designed for AI agents and language models. It provides real-time web results, token-efficient text extracts, and structured outputs with web-grounded citations. New accounts receive $20 in initial credits upon signing up.
Perplexity
AI answer engine with source citations and conversational search
Perplexity is an AI-powered answer engine that provides direct, cited answers to user queries by synthesizing information from various web sources. It supports conversational follow-up questions and offers focused search capabilities across different domains. Users can also upload files or provide URLs for analysis and summarization.
At a glance
Swipe the table sideways to see both tools.
| Exa | Perplexity | |
|---|---|---|
| Price | Free plan, then $7 usage-based Free Tier Free · Search $7 usage-based · Enterprise Custom | Free plan available no tiers confirmed yet |
| Pricing model | freemium | freemium |
| Website | exa.ai ↗ | perplexity.ai ↗ |
| Shared capabilities | ai-search citations research | |
| Only here | ai-agents developer-api codebase-context | answer-engine |
Capability tags are factual labels we assign when a tool is added; they describe what a tool does, not how well it does it.
Checked against the vendors. Written from each vendor's own site and last re-checked there: Exa (not re-checked yet) · Perplexity on July 22, 2026. Vendors change pricing and features without notice, so confirm anything that decides your purchase on the vendor's page.
Key features
Exa
- Configurable search latency from 180ms to 1s
- Token-efficient web text and highlight extraction
- Asynchronous deep research with structured JSON schema outputs
- Scheduled web monitors with webhook updates
Perplexity
- Generates direct answers to user questions
- Cites all sources used to formulate answers
- Supports conversational follow-up queries
- Offers focused search modes (e.g., academic, YouTube, Reddit)
- Can summarize web pages, articles, or uploaded files
What each one does well
Exa
- ✓ Providing real-time documentation and repository context to coding agents
- ✓ Gathering structured research data with cited web sources
- ✓ Monitoring web updates and fresh events on a set schedule
Perplexity
- ✓ Quick research questions where you want cited sources
- ✓ Summarizing articles, PDFs, or long web pages
- ✓ Follow-up questions that build on a previous answer
Full fact sheets, FAQs, and discussion links: Exa · Perplexity · all search tools