COLD START / catalog / c/exaretrieved 2026-09-17T06:03 UTC · 31 sources read

Exa

Exa is an applied AI research lab that organizes human knowledge from the web to power AI applications.

exa.ai · San Francisco

CALL NO.CS·EXA·26

StageSeries CMay 2026 · led by Andreessen Horowitz[1][2][3][5][6][9]

Raised$361Mdisclosed rounds[11]

Headcount213as of Jun 2026[11]

Valuationnot publicly disclosedno source in ledger

Founded2021[10]

Money

Raised $361M across disclosed rounds.[11]

Series C closed May 2026, led by Andreessen Horowitz.[1][2][3][5][6][9]

post-money valuation is not publicly disclosed.

Named investors include Andreessen Horowitz, Benchmark, Lightspeed Venture Partners, Y Combinator, NVIDIA Ventures.[1][2][3][4][5][6][9][10]

People

Will Bryk, CEO & Co-Founder[3][4][12][13][9][11][14][15][16]

Jeffrey Wang, Co-Founder[3][4][12][13][9][11][14][15][16]

Jeff Pinner, Chief Technology Officer[9][11][12][13][14][15][16]

Jeeyoung Kim, Head of Engineering[9][11][12][13][14][15][16]

Marcus Holm, Chief Revenue Officer[9][11][12][13][14][15][16]

Signals

Aug 21 2026otherJeff Pinner joins Exa as CTO[13][14]

Aug 18 2026otherExa partners with Firefox to power AI browsing experiences[11][13]

Aug 17 2026otherExa takes over SF's Pioneer Building, previously home to Stripe, OpenAI, and xAI[11][13]

Jul 22 2026launchExa launches state-of-the-art search over 300M+ research papers company claim, not independently confirmed[11]

May 20 2026fundingExa Raises $250M Series C to Build the Search Engine for AIs[1][2][3][5][6][9]

Sep 3 2025fundingExa Raises $85M to Build the Search Engine for AIs company claim, not independently confirmed[10]

Comps

Tavily · tavily.com · Named together with Exa in the same market map of startups vying to transform the search industry, and evaluated by the same buyer (agent developers) for the same job of grounding AI agents in live web results; the cited comparison table contrasts its...[19][6]

Brave Search API · brave.com · Same buyer and same job to be done: the cited comparison table places it directly against Exa on index type, base API pricing, and agentic capabilities, and positions it as the default for high-volume, privacy-sensitive, or budget-constrained teams choosing a...[19]

Perplexity · perplexity.ai · Named together with Exa in the same AI search competitive set; the cited source frames the category as AI search alternatives, and a separate funding headline frames Exa itself as 'the next Perplexity,' indicating the same buyer evaluating AI-native search.[23][24]

Exei · exei.ai · similar, not yet paired · Same buyer (AI agents), similar workflow (customer service and engagement for e-commerce businesses), and similar product (AI agents for specific tasks).[7]

Exer AI · exer.ai · similar, not yet paired · Same buyer (AI agents), similar product (AI platform for real-time insights and motion assessments), and similar technology (AI and computer vision).[8]

Risk

The customer proof is company-sourced only. No independent source in this ledger confirms it.[11]

Next question

Ask for one referenceable production customer.

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Investor Lens

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