Perplexity AI alternatives
6 rag tools in the same lane as Perplexity AI, ranked by editorial score.
EL
Elicit
RAG · Claude Opus 4.5
7.1
AI research assistant that searches, screens, and extracts data from 138M+ academic papers at scale.
Freemium· Basic: Free · Plus: $11 · Pro: $39 · Scale: $89 · Enterprise: Customliterature-reviewsystematic-review
TA
Tavily
RAG · GPT-4
One secure API for real-time web access for AI agents
Freemium· Researcher: Free · Pay As You Go: $0.008 · Project: $01234567890123456789 · Enterprise: CustomRAG chatbot groundingAutonomous research agents
YC
You.com
RAG · Multi-model
6.9
Web search and research APIs purpose-built for LLMs and AI agents.
Freemium· Free trial; enterprise pricing on requestweb-search-apiagent-grounding
EX
Exa
RAG · Proprietary neural + keyword search
8.0
Web search API built for AI agents, with structured outputs and token-efficient highlights.
Freemium· Free Tier: Free · Search: $7/1k requests · Agent: $0.012–$1.00/run · Contents: $1/1k pages per content type · Deep Search: $12–15/1k requestsagent-web-searchrag-retrieval
FP
FutureHouse Platform
RAG · Multi-model
7.1
Multi-agent AI research stack for scientists, with retrieval over 175M+ papers, patents, and trials.
Freemium· Basic: $10 · Pro: $25 · Enterprise: Contact salesscientific-literature-searchautonomous-research-agent
SC
SciSpace
RAG · Multi-model
6.9
AI research assistant that turns dense PDFs and literature reviews into searchable, citation-backed answers.
Freemium· Premium: $20 · Advanced: $90 · Max: $200literature-reviewchat-with-pdf