Exa vs OpenEvidence

A side-by-side look at scores, pricing and features — with RECATOOLS' ASEAN-aware verdict for each.

Exa Web search and retrieval API built for AI agents and apps Visit OpenEvidence AI clinical decision support for physicians — cited, evidence-based an... Visit
RECATOOLS Score 7.7 / 10 7.8 / 10
Capability 8 8.5
Value for money 7 9
Ease of use 8 8.5
ASEAN readiness 6 3
API quality 8 2
Pricing Freemium Freemium
Free tier 20,000 search requests per month on the free plan; startup and education grants of $1,000 in free API credits also available Free for all verified US clinicians (NPI required); ad-supported
Paid from API search billed at $7 per 1,000 requests (as of March 2026 pricing update) Enterprise tier in development; pricing undisclosed — contact sales
Has API
Open source
Free to use
Users ~860,000 verified US clinicians (June 2026)
Founded 2021 2022
Maker Daniel Nadler (CEO), Zachary Ziegler (CTO)
Verdict

Exa is a credible, fast-moving entrant in the agent-search space, with a clean API, MCP support and strong investor backing as of 2026. It competes directly with Parallel and Tavily on freshness and structured retrieval...

OpenEvidence is genuinely transformative for US-based clinicians: it delivers fast, well-cited, evidence-grounded answers from top-tier journals at zero cost, making it arguably the strongest value proposition in medical...

Full review → Full review →
← Back to AI Directory

Comparisons cover up to 4 tools. Scores are RECATOOLS editorial assessments; verify current pricing on each vendor's site.