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§ Private Profile · San Francisco, CA, USA
AI-native advertising platform developing an SDK for AI app publishers to monetize chat and agent interfaces.
Koah Labs develops an AI-native advertising platform for chat and agent interfaces, based in San Francisco, CA, USA. The company provides a lightweight SDK for developers to integrate contextual ads into AI applications, such as chat apps and search assistants, facilitating monetization through a revenue-sharing model where Koah retains 25-35% of gross ad revenue. Koah Labs has raised over $26 million in total funding, including a $5 million seed round in September 2025 led by Forerunner Ventures and a $20.5 million Series A in February 2026 led by Theory Ventures. Other notable investors include South Park Commons and AppLovin co-founder Andrew Karam. The platform reportedly achieves a 2% click-through rate, significantly above industry averages, with its non-intrusive ad format. Koah Labs was founded in 2024 by Nic Baird, Herrick Fang, and Mike Choi.
Koah Labs has raised $25.5M across 2 funding rounds.
Koah Labs has raised $25.5M in total across 2 funding rounds.
Koah Labs has raised $25.5M across 2 funding rounds. Most recently, it raised $20.5M Koah - Series A in February 2026.
| Date | Round | Lead Investors | Other Investors | Status |
|---|---|---|---|---|
| Feb 24, 2026 | $20.5M Series A | Tomasz Tunguz | — | Announced |
| Sep 1, 2025 | $5M Seed | Nicole Johnson | Forerunner Ventures, Jonathan Golden, Andrew Karam, South Park Commons | Announced |
Koah Labs has raised $25.5M in total across 2 funding rounds.
Koah Labs's investors include Tomasz Tunguz, Nicole Johnson, Forerunner Ventures, Jonathan Golden, Andrew Karam, South Park Commons.
Koah Labs is a San Francisco-based technology company that builds an AI-native advertising platform designed to help developers monetize generative AI apps through contextual native ads.[1][2][3] Its SDK enables quick integration, delivering sponsored recommendations that reportedly yield 5x higher payouts than traditional banners while maintaining user engagement, serving apps like AI assistant Luzia, parenting app Heal, student research tool Liner, and creative platform DeepAI.[3][4] Koah targets the "long tail" of AI applications built atop large language models, solving the challenge of sustainable revenue for non-U.S.-centric startups by providing relevant, marked sponsored content that appears contextually in user interactions.[4]
Founded in 2024, Koah Labs emerged from the rapid rise of AI search assistants and chatbots, with co-founders Nic Baird (CEO, focused on ads for AI apps), Herrick Fang (prior experience at Affirm, Supermove, and Qualified), and Mike Choi leading the charge.[2][4] The idea crystallized around the need to monetize AI products beyond Silicon Valley hype, as Baird noted that global scalability demands advertising, drawing parallels to past internet monetization shifts.[4] Early traction came swiftly: the company raised a $5 million seed round (investors not detailed in sources) and secured partnerships yielding $10,000 in revenue for initial partners within 30 days.[2][4]
Koah rides the explosive growth of generative AI apps, where developers face profitability hurdles amid high compute costs and global user bases, positioning ads as the inevitable path to scale beyond subscriptions or premium tiers.[4] Timing aligns with maturing LLM ecosystems, as "long-tail" apps proliferate on top of models from OpenAI and others, creating demand for monetization tools that avoid alienating users with irrelevant ads.[2][4] Market forces like rising AI adoption in non-U.S. markets and advertiser interest (e.g., UpWork, Skillshare) favor Koah, while its influence extends to shaping AI ad standards—potentially boosting ecosystem sustainability by enabling more indie developers to thrive.[3][4]
Koah Labs is primed to capture a slice of the burgeoning AI monetization market, with its seed funding and early wins signaling strong momentum toward broader adoption in 2025 and beyond.[4] Trends like proliferating AI assistants and demand for non-intrusive ads will propel growth, especially as partners scale and Koah refines formats to enhance rather than hinder engagement.[3][4] Its influence could evolve into defining best practices for AI-native advertising, empowering a new wave of sustainable GenAI startups and tying back to its core mission of turning AI hype into viable businesses.[1][3]