01 Exa
AI-native web search engine and API built for agents, with semantic search and content extraction
AI Search & Research from $0 free tier: yes Verified JUN 22, 2026
Liner alternatives
4 alternatives compared · prices last verified Jul 3, 2026 · how we verify
Exa is the top Liner alternative in our directory: it covers the same category (AI Search & Research), starts at $0, and has a free tier. All 4 alternatives below are compared on pricing verified against the official pricing pages, on the dates shown.
Ranked by category overlap with Liner, free-tier availability, then lowest verified starting price — computed from our verified data, never sponsorships.
Liner alternatives compared
| Alternative | Category | Starting price | Free tier | Price verified |
|---|---|---|---|---|
| Exa | AI Search & Research | $0 | yes | Jun 22, 2026 |
| Consensus | AI Search & Research | $10/mo | yes | Jun 11, 2026 |
| Felo AI | AI Search & Research | $14.99/mo | yes | Jul 3, 2026 |
| Perplexity | AI Search & Research | $20/mo | yes | Jun 11, 2026 |
Each alternative, in brief
02 Consensus
AI search engine for peer-reviewed research across 200M+ scientific papers
AI Search & Research from $10/mo free tier: yes Verified JUN 11, 2026
03 Felo AI
Multilingual AI search and creation platform combining research, summarization and content generation
AI Search & Research from $14.99/mo free tier: yes Verified JUL 3, 2026
04 Perplexity
AI-powered answer engine that searches the live web and cites every source
AI Search & Research from $20/mo free tier: yes Verified JUN 11, 2026
When to stay with Liner
Documented strengths from our Liner review — switching isn't always the right call:
- Cited answers and Scholar mode make it stronger for academic research than a general chatbot
- Free tier is genuinely usable with 100 monthly agent credits and unlimited advanced search
- Works across web, mobile, desktop, and browser extension so highlights sync everywhere