Exa (formerly Metaphor)
The search engine for AI
VS
Perplexity AI
AI-powered answer engine for real-time, cited information and advanced research.
Detailed comparison
Criteria
Exa (formerly Metaphor)
Perplexity AI
Pricing
Freemium
Freemium
Plans & pricing
—
Free Plan: Free, Perplexity Pro: $16.67/mo, Education Pro: $10/mo, Perplexity Max: $166.67/mo, Perplexity Enterprise Pro: $33.33/mo, Perplexity Enterprise Max: $270.83/mo, API Pricing: Custom
Free trial
—
No
Audience
b2b
b2c
Platforms
—
Web
API
—
No
Open Source
—
Proprietary
Categories
Specialized Technologies, Search engine
Specialized Technologies, information technology & services, Search engine
Popularity
High
Very High
Description
Exa is a neural search engine designed specifically for AI agents and LLMs. It uses embedding-based search to find high-quality content that tradition...
Perplexity AI is a research-oriented answer engine that integrates large language models with live web search, transparent citations, document analysi...
Pricing
Exa (formerly Metaphor)
Freemium
Perplexity AI
Freemium
Plans & pricing
Exa (formerly Metaphor)
—
Perplexity AI
Free Plan: Free, Perplexity Pro: $16.67/mo, Education Pro: $10/mo, Perplexity Max: $166.67/mo, Perplexity Enterprise Pro: $33.33/mo, Perplexity Enterprise Max: $270.83/mo, API Pricing: Custom
Free trial
Exa (formerly Metaphor)
—
Perplexity AI
No
Audience
Exa (formerly Metaphor)
b2b
Perplexity AI
b2c
Platforms
Exa (formerly Metaphor)
—
Perplexity AI
Web
API
Exa (formerly Metaphor)
—
Perplexity AI
No
Open Source
Exa (formerly Metaphor)
—
Perplexity AI
Proprietary
Categories
Exa (formerly Metaphor)
Specialized Technologies, Search engine
Perplexity AI
Specialized Technologies, information technology & services, Search engine
Popularity
Exa (formerly Metaphor)
High
Perplexity AI
Very High
Description
Exa (formerly Metaphor)
Exa is a neural search engine designed specifically for AI agents and LLMs. It uses embedding-based search to find high-quality content that tradition...
Perplexity AI
Perplexity AI is a research-oriented answer engine that integrates large language models with live web search, transparent citations, document analysi...
Features
Exa (formerly Metaphor)
Neural search API
Semantic similarity filtering
Cleaned HTML extraction
Domain and date filtering
LLM-ready data retrieval
Perplexity AI
Real-time answers with cited sources
Perplexity Computer for autonomous, multi-model AI workflows
Access to advanced AI models (GPT-5.1, Claude Opus 4.5, o3-pro, etc.)
File upload and analysis (PDFs, spreadsheets, reports)
Comet AI-native browser for integrated web assistance
Focus Modes for targeted searches (Web, Academic, Social, Health, Finance)
Key differentiators
Exa (formerly Metaphor)
Perplexity AI
- Real-time answers with cited sources
- Agentic AI workflows (Perplexity Computer)
- Document analysis & specialized focus modes
Other comparisons
FAQ: Exa (formerly Metaphor) vs Perplexity AI
Exa (formerly Metaphor): The search engine for AI. Perplexity AI: AI-powered answer engine for real-time, cited information and advanced research.. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Exa (formerly Metaphor) is freemium and Perplexity AI is freemium.
The best choice between Exa (formerly Metaphor) and Perplexity AI depends on your specific needs. Compare their features, pricing, and target audience on this page to find the tool that best fits your use case.
Exa (formerly Metaphor) is primarily designed for individuals, while Perplexity AI is built for individuals.
Exa (formerly Metaphor) offers: Neural search API, Semantic similarity filtering, Cleaned HTML extraction, Domain and date filtering. Perplexity AI offers: Real-time answers with cited sources, Perplexity Computer for autonomous, multi-model AI workflows, Access to advanced AI models (GPT-5.1, Claude Opus 4.5, o3-pro, etc.), File upload and analysis (PDFs, spreadsheets, reports).
Based on our data, Perplexity AI currently enjoys greater popularity. However, popularity isn't the only factor — compare features to find the right tool for your needs.