Semantic Scholar
Open academic graph and API used across research tooling.
Full Semantic Scholar record →Head to head
Semantic Scholar vs Exa
Semantic Scholar (Allen Institute for AI) and Exa (Exa) both sit in Search & Research. Exa shipped more tracked changes in the last 30 days (2 vs 0). Every value below comes from the latest crawl of the vendors' own pages.
| Attribute | Semantic Scholar Allen Institute for AI | Exa Exa |
|---|---|---|
| Segment | Search & Research | Search & Research |
| Version | 2025 | Exa Agent |
| Entry cost | Free, open API | Free tier includes $10/mo in credits. Pay-as-you-go thereafter (e.g. Search at $7/1k requests, Contents at $1/1k pages). |
| Pricing tiers | — | Starter free · Developer free |
| Model stack | SPECTER embeddings | agentic models · embedding · Exa Agent API · Exa Auto · Exa Custom Search Models · Exa Search API · Exa Search Embedding Model · Exa Search Model · Exa Search Models · Exa Search Neural Model |
| Context window | — | n/a |
| Public API | ||
| Routes models | ||
| Changes / 30d | 0 | 2 |
| Origin | Global | Global |
| Capabilities | 200M+ papers, Citation contexts, Open API | Neural search, Contents retrieval, Websets, Answer endpoint, Research API, Web Search API, Deep Research, Structured JSON Extraction |
Exa
Embeddings-based web search designed to feed retrieval pipelines and agents.
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