Perplexity AI
AI-powered answer engine for real-time, cited information and advanced research.
VS
Eclipse Theia
The next-generation platform for IDEs and tools
Detailed comparison
Criteria
Perplexity AI
Eclipse Theia
Pricing
Freemium
Free
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
b2c
b2b
Platforms
Web
—
API
No
—
Open Source
Proprietary
—
Categories
SEO, Education
Coding, Dev Tools
Popularity
Very High
High
Description
Perplexity AI is a research-oriented answer engine that integrates large language models with live web search, transparent citations, document analysi...
An open-source extensible platform to build multi-language Cloud & Desktop IDEs with modern web technologies. It provides a flexible architecture for ...
Pricing
Perplexity AI
Freemium
Eclipse Theia
Free
Plans & pricing
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
Eclipse Theia
—
Free trial
Perplexity AI
No
Eclipse Theia
—
Audience
Perplexity AI
b2c
Eclipse Theia
b2b
Platforms
Perplexity AI
Web
Eclipse Theia
—
API
Perplexity AI
No
Eclipse Theia
—
Open Source
Perplexity AI
Proprietary
Eclipse Theia
—
Categories
Perplexity AI
SEO, Education
Eclipse Theia
Coding, Dev Tools
Popularity
Perplexity AI
Very High
Eclipse Theia
High
Description
Perplexity AI
Perplexity AI is a research-oriented answer engine that integrates large language models with live web search, transparent citations, document analysi...
Eclipse Theia
An open-source extensible platform to build multi-language Cloud & Desktop IDEs with modern web technologies. It provides a flexible architecture for ...
Features
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)
Eclipse Theia
Cloud & Desktop support
VS Code Extension compatibility
Highly modular architecture
Multi-language support via Language Server Protocol
Integrated terminal and debugger
Key differentiators
Perplexity AI
- Real-time answers with cited sources
- Agentic AI workflows (Perplexity Computer)
- Document analysis & specialized focus modes
Eclipse Theia
Other comparisons
FAQ: Perplexity AI vs Eclipse Theia
Perplexity AI: AI-powered answer engine for real-time, cited information and advanced research.. Eclipse Theia: The next-generation platform for IDEs and tools. Both tools take different approaches to address similar needs.
Both offer a free or freemium plan. Perplexity AI is freemium and Eclipse Theia is free.
The best choice between Perplexity AI and Eclipse Theia 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.
Perplexity AI is primarily designed for individuals, while Eclipse Theia is built for individuals.
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). Eclipse Theia offers: Cloud & Desktop support, VS Code Extension compatibility, Highly modular architecture, Multi-language support via Language Server Protocol.
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.