Company:Evertune AI

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Evertune AI
TypePrivate
IndustryArtificial intelligence, marketing technology
FoundedApril 2024; 2 years ago (2024-04)
FoundersBrian Stempeck
Poul Costinsky
Ed Chater
Key people
Brian Stempeck (CEO)
Ed Chater (COO)
Poul Costinsky (CTO)
ProductsGenerative Engine Optimization (GEO) platform
ServicesAI brand monitoring, AI search optimization

Evertune AI (doing business as Evertune) is an American artificial intelligence marketing technology company headquartered in New York City. The company develops a SaaS platform focused on generative engine optimization (GEO), a form of AI-focused search optimization related to answer engine optimization (AEO), which helps brands monitor and optimize their visibility in large language model (LLM) responses from AI systems such as ChatGPT, Google Gemini, Claude, and Perplexity.[1][2]

Evertune addresses the shift from traditional search engines to AI chatbots for product recommendations, helping brands understand and influence how they appear in AI-generated answers.[3] LLM-based search differs from traditional search engine optimization (SEO), where rankings are relatively fixed; LLM responses vary each time a query is asked, making visibility harder to measure.[4] Reuters described Evertune as a platform that "works with clients to make their websites discoverable by large language models," while Forbes reported on the company's approach to analyzing how brands appear in AI-generated responses.[5]

History

Founding

Evertune was founded in April 2024 by Brian Stempeck, Poul Costinsky, and Ed Chater.[4] All three founders are former executives from The Trade Desk, a programmatic advertising company that went public in 2016.[5] According to Stempeck, the idea for the company started when the founders were doing their own product research on various LLMs and were surprised by the variety of responses to the same queries, finding it difficult to understand why the models suggested certain products or described them in different ways.[4] Stempeck served as The Trade Desk's first chief strategy officer and sat on its board of directors, departing in 2020 after more than ten years with the company.[6] As one of the company's earliest employees, Stempeck helped grow The Trade Desk from a startup to over $3 billion in annual media spend.[6] Costinsky and Chater previously worked at Adbrain, a cross-device identity graph company that The Trade Desk acquired in 2017.[4]

Funding

The company emerged from stealth mode in November 2024 with $4 million in seed funding led by Eniac Ventures, with participation from NextView Ventures.[7][8] Angel investors in the seed round included several former Trade Desk executives: Roger Ehrenberg (former board director), Rob Perdue (former COO), Susan Vobejda (former CMO), and Vivian Yang (former chief legal officer).[4] In August 2025, Evertune raised $15 million in Series A funding led by Felicis Ventures, bringing its total funding to $19 million.[9][10] The round was led by Peter Deng, General Partner at Felicis Ventures and former Vice President of Product at OpenAI.[10] Angel investors in the round included individuals from OpenAI, Meta Platforms, and Uber, including David Azose, who lead engineering for OpenAI's business products team at the time of the investment and is now CTO at AirTable, and Sonia Phene, who worked at OpenAI at the time of the investment and later joined Google.[5][11] In December 2025, Evertune announced a partnership with impact.com, a commerce partnership marketing platform, which also made a strategic investment in the company.[12] As part of the partnership, Evertune launched Partner Connect, a marketplace enabling marketers to activate content partnerships through impact.com based on AI visibility insights.[13]

Technology and business

Evertune's platform monitors how brands are mentioned and recommended by AI systems including ChatGPT, Gemini, Claude, Perplexity, Meta AI, and DeepSeek.[10] The platform works by asking variations of consumer queries—such as "What TV should I buy?" or "What TV is best for video games?"—thousands of times across different AI models, then measuring how often each brand is recommended.[4] Because LLM responses are not fixed like traditional search rankings, the same query asked 1,000 times may produce different results each time, requiring statistical analysis across many responses.[4] According to digital marketing consultancy Whole Whale, the platform combines three data sources: direct application programming interface (API) access to AI model providers, data collected from consumer-facing AI applications, and a consumer panel of approximately 25 million users to understand real search behavior.[14] The company states it processes over one million AI responses monthly per brand to achieve statistical significance.[15][16] According to Evertune's analysis of the top 10,000 sources cited by AI models, over 40% of content either contains affiliate links or is sponsored.[13] The company's services are priced at approximately $3,000 per month according to the CEO's statements to Reuters.[2][17] Reported enterprise clients include Canada Goose, Miro, and WPP's Choreograph data division.[10] In December 2025, the company launched metrics called "Topic Relevance" and "Brand Relevance" designed to measure which content sources influence how AI systems perceive brands.[18]

Industry

Evertune operates in the emerging generative engine optimization (GEO) market, which Andreessen Horowitz estimated could disrupt the $80 billion SEO industry as search shifts from traditional browsers to LLM platforms.[3] Other companies in the GEO space include Profound and Bluefish.[3][1] According to Andreessen Horowitz, the GEO market is still in an experimental phase, with rules shifting as AI model providers update how their models cite sources.[3] The firm noted that unlike traditional SEO, where Google held algorithmic control but no vendor controlled the interface, GEO platforms have the potential to become more centralized and API-driven.[3]

Reception

Evertune has been covered by technology and marketing publications as an example of companies developing tools for generative engine optimization.[3][1][2] Andreessen Horowitz described GEO as a "new paradigm" in which brand visibility means appearing directly in AI-generated answers rather than ranking high on a traditional search results page.[3] The Wall Street Journal included Evertune in coverage of the AI search marketing industry, noting the company's claim that brands can improve their visibility in AI responses through content optimization.[1]

References

  1. ↑ 1.0 1.1 1.2 1.3 "A Billion-Dollar Question Hangs Over the New AI Search Marketing Industry". The Wall Street Journal. December 2025. https://www.wsj.com/articles/a-billion-dollar-question-hangs-over-the-new-ai-search-marketing-industry-06a039ec. 
  2. ↑ 2.0 2.1 2.2 McLymore, Arriana (November 26, 2025). "As AI reshapes shopping, US retailers try to change how they're seen online". Reuters. https://www.reuters.com/business/media-telecom/ai-reshapes-shopping-us-retailers-try-change-how-theyre-seen-online-2025-11-26/. 
  3. ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Cohen, Zach (June 10, 2025). "How Generative Engine Optimization (GEO) Rewrites the Rules of Search". https://a16z.com/geo-over-seo/. 
  4. ↑ 4.0 4.1 4.2 4.3 4.4 4.5 4.6 Hercher, James (November 13, 2024). "Meet Evertune, A Gen-AI Analytics Startup Founded By Trade Desk Vets". https://www.adexchanger.com/marketers/meet-evertune-a-gen-ai-startup-founded-by-trade-desk-vets/. 
  5. ↑ 5.0 5.1 5.2 Shrivastava, Rashi (August 12, 2025). "The Prompt: SEO Is Dead. What Comes Next?". Forbes. https://www.forbes.com/sites/rashishrivastava/2025/08/12/the-prompt-seo-is-dead-what-comes-next/. 
  6. ↑ 6.0 6.1 "Brian Stempeck to Step Down as Chief Strategy Officer of The Trade Desk on September 1, 2020" (Press release). Business Wire. July 9, 2020. Retrieved January 13, 2026.
  7. ↑ "Why We at NextView Ventures Are Investing in Evertune: Crafting Brand Voices in the LLM Age". October 30, 2024. https://nextview.vc/blog/why-we-at-nextview-ventures-are-investing-in-evertune-crafting-brand-voices-in-the-llm-age/. 
  8. ↑ "Evertune Reveals AI Marketing Tool with $4M Boost". November 10, 2024. https://aimresearch.co/generative-ai/evertune-emerges-from-stealth-with-4m-seed-funding-unveils-llm-powered-marketing-analytics-tool. 
  9. ↑ "AI Marketing Company Evertune Raises $15M Series A". August 14, 2025. https://www.builtinnyc.com/articles/evertune-raises-15m-series-a-20250814. 
  10. ↑ 10.0 10.1 10.2 10.3 "Evertune Raises $15 Million Series A to Scale Its AI Marketing and Discovery Platform" (Press release). GlobeNewswire. August 12, 2025. Retrieved January 13, 2026.
  11. ↑ Sullivan, Laurie (September 8, 2025). "OpenAI, Google Investors Infused Cash Into Former Trade Desk Execs' AI Startup". https://www.mediapost.com/publications/article/408766/openai-google-investors-infused-cash-into-former.html. 
  12. ↑ "impact.com and Evertune Partnership Helps Brands Influence AI Search Results, Supported by Strategic impact.com Investment" (Press release). Business Wire. December 16, 2025. Retrieved January 13, 2026.
  13. ↑ 13.0 13.1 "impact.com and Evertune announce partnership". December 18, 2025. https://www.inpublishing.co.uk/articles/impactcom-and-evertune-announce-partnership-26111. 
  14. ↑ Deshler, George (October 22, 2025). "What is "AI Brand Footprint": How you show up in AI conversations". https://wholewhale.com/tips/measuring-your-ai-brand-footprint-the-hidden-visibility-challenge/. 
  15. ↑ "Impact.com Tackles Zero-Click Tracking with Evertune AI Search Integration". December 2025. https://www.affiversemedia.com/impact-com-tackles-zero-click-tracking-with-evertune-ai-search-integration/. 
  16. ↑ "Evertune Raises $15 Million and Explains AI Search Optimization". August 18, 2025. https://www.cdpinstitute.org/news/evertune-raises-15-million-and-explains-ai-search-optimization/. 
  17. ↑ "Brands Shell Out Big to Get Noticed by AI Agents". November 26, 2025. https://www.pymnts.com/artificial-intelligence-2/2025/brands-shell-out-to-get-noticed-by-ai-agents/. 
  18. ↑ "Evertune Launches New Metrics to Show Which Sources Shape AI Brand Perception". December 11, 2025. https://martech-pulse.com/news/evertune-launches-new-metrics-to-show-which-sources-shape-ai-brand-perception/. 




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