# Raindrop revenue, valuation & funding Markdown copy of https://realalpha.app/companies/raindrop/ on Real Alpha, the best minutes from long interviews with the people building AI. Cite and link the page, not this copy. Raindrop is a private company that monitors AI agents. It raised a $35M Series A led by CRV in September 2026, bringing its total funding to $50M. It disclosed no valuation or revenue, and no IPO plan has been reported. Checked Nov 8, 2026 ## At a glance - Valuation: not disclosed. Its $35M Series A in September 2026 came with no reported valuation. - Revenue: not disclosed. Raindrop hasn't published revenue or annual recurring revenue. - Status: private. No stock ticker. No IPO plan has been reported. - Founded: 2023, by Ben Hylak, Zubin Koticha and Alexis Gauba. It went through Y Combinator's Winter 2024 batch. - CEO: Zubin Koticha. - Investors: CRV, Lightspeed Venture Partners, Figma Ventures, Vercel Ventures and Y Combinator, among others. - Products: the Raindrop monitoring platform for AI agents, Raindrop Simulations and the open-source Workshop debugger. - Headquarters: San Francisco, with a team of fewer than 20, its careers page says. ## Is Raindrop public? Can you buy its stock? No. Raindrop is a private company, so its shares don't trade on any stock exchange and it has no ticker symbol. No IPO plan, filing or listing has been reported. Its shares are held by its founders, staff and investors. Raindrop's [Series A post](https://www.raindrop.ai/blog/series-a/) says CRV led the $50 million it has raised. This page reports facts and gives no investment advice. ## Valuation, round by round Raindrop raised $15M in a December 2025 seed round and $35M in a September 2026 Series A, $50M in all. - Sep 2026 · — · $35M · CRV · [Lapaas Voice](https://lapaasvoice.com/raindrop-funding-agent-testing) - Dec 2025 · — · $15M · Lightspeed Venture Partners · [Pulse 2.0](https://pulse2.com/raindrop-15-million-seed-funding/) Neither round came with a reported valuation. ## How Raindrop makes money Raindrop sells subscriptions to its monitoring platform for AI agents. It hasn't disclosed annual recurring revenue or gross margin, [Lapaas Voice](https://lapaasvoice.com/raindrop-funding-agent-testing) reported in September 2026. - **Starter plan.** $65 a month with metered usage, as of May 2025. · [VentureBeat](https://venturebeat.com/business/is-your-ai-app-pissing-off-users-or-going-off-script-raindrop-emerges-with-ai-native-observability-platform-to-monitor-performance/) - **Pro plan.** From $350 a month in May 2025, with custom topic tracking, semantic search and on-prem features. · [VentureBeat](https://venturebeat.com/business/is-your-ai-app-pissing-off-users-or-going-off-script-raindrop-emerges-with-ai-native-observability-platform-to-monitor-performance/) ## Products Before Raindrop, the founders built Sidekick, a VS Code extension with hundreds of paying users, [VentureBeat](https://venturebeat.com/business/is-your-ai-app-pissing-off-users-or-going-off-script-raindrop-emerges-with-ai-native-observability-platform-to-monitor-performance/) reported. They then moved to AI monitoring tools. - **Raindrop** monitors AI agents for the teams that build them. - **Notify** (offered by May 2025). A fully on-premises version of the platform for enterprises with strict data handling requirements. · [VentureBeat](https://venturebeat.com/business/is-your-ai-app-pissing-off-users-or-going-off-script-raindrop-emerges-with-ai-native-observability-platform-to-monitor-performance/) - **Workshop** (May 14, 2026). An open-source local debugger and evaluation tool for AI agents, released under the MIT License. · [VentureBeat](https://venturebeat.com/technology/developers-can-now-debug-and-evaluate-ai-agents-locally-with-raindrops-open-source-tool-workshop) - **Raindrop Simulations** (September 17, 2026). A new product announced with the Series A. · [Raindrop's blog](https://www.raindrop.ai/blog/series-a/) ## Customers Raindrop's [careers page](https://www.raindrop.ai/careers/) says it has more than 200 customers. They include teams at [Vercel](https://realalpha.app/companies/vercel/), Speak and Clay, and Fortune 100 enterprises. Its [homepage](https://www.raindrop.ai/) says it processes billions of traces each month. ## Leadership - **Zubin Koticha,** co-founder and CEO. · [Venture Capital Access Online](https://www.vcaonline.com/news/2025120102/raindrop-raises-15-million-to-detect-critical-ai-agent-failures/) - **Ben Hylak,** co-founder and CTO. He was an engineer at Apple and SpaceX. · [VentureBeat](https://venturebeat.com/technology/developers-can-now-debug-and-evaluate-ai-agents-locally-with-raindrops-open-source-tool-workshop) - **Alexis Gauba,** co-founder. · [Y Combinator](https://www.ycombinator.com/companies/raindrop/jobs) ## Who owns Raindrop? Its founders, staff and investors. Raindrop hasn't disclosed ownership terms for its Series A, [Lapaas Voice](https://lapaasvoice.com/raindrop-funding-agent-testing) reported. - **CRV** led the $35 million Series A in September 2026. · [Lapaas Voice](https://lapaasvoice.com/raindrop-funding-agent-testing) - **Lightspeed Venture Partners** led the $15 million seed round in December 2025. · [Pulse 2.0](https://pulse2.com/raindrop-15-million-seed-funding/) - **Figma Ventures, Vercel Ventures and Y Combinator** joined the seed round, with the founders of Replit, Cognition, Framer, Speak and Notion. · [Raindrop's blog](https://www.raindrop.ai/blog/seed-round/) - **Researchers and executives** at Anthropic, OpenAI and Thinking Machines also invested, the company says. · [Raindrop's blog](https://www.raindrop.ai/blog/series-a/) ## Competitors A November 2026 comparison by [Carly](https://www.usecarly.com/blog/raindrop-ai/) names five tools Raindrop competes with. - **[Braintrust](https://realalpha.app/companies/braintrust/),** which leans toward evaluations and testing during development. · [Carly AI Blog](https://www.usecarly.com/blog/raindrop-ai/) - **Arize Phoenix,** which comes from a machine-learning monitoring background. · [Carly AI Blog](https://www.usecarly.com/blog/raindrop-ai/) - **Langfuse, LangSmith and neatlogs** are also named in the comparison. · [Carly AI Blog](https://www.usecarly.com/blog/raindrop-ai/) ## Timeline and latest news - Nov 2, 2026 · A comparison named Braintrust, Arize Phoenix, Langfuse, LangSmith and neatlogs as its competitors. · [Carly AI Blog](https://www.usecarly.com/blog/raindrop-ai/) - Sep 19, 2026 · A report noted it had disclosed no revenue, margins or valuation. · [Lapaas Voice](https://lapaasvoice.com/raindrop-funding-agent-testing) - Sep 17, 2026 · Raised a $35M Series A led by CRV, for $50M in total. · [Lapaas Voice](https://lapaasvoice.com/raindrop-funding-agent-testing) - Sep 17, 2026 · Announced Raindrop Simulations alongside the Series A. · [Raindrop's blog](https://www.raindrop.ai/blog/series-a/) - May 14, 2026 · Released Workshop, an open-source debugger for AI agents. · [VentureBeat](https://venturebeat.com/technology/developers-can-now-debug-and-evaluate-ai-agents-locally-with-raindrops-open-source-tool-workshop) - Dec 1, 2025 · Raised a $15M seed round led by Lightspeed Venture Partners. · [Pulse 2.0](https://pulse2.com/raindrop-15-million-seed-funding/) - May 19, 2025 · Offered Notify, an on-premises version of its platform for enterprises. · [VentureBeat](https://venturebeat.com/business/is-your-ai-app-pissing-off-users-or-going-off-script-raindrop-emerges-with-ai-native-observability-platform-to-monitor-performance/) - May 19, 2025 · Priced its Starter plan at $65 a month and Pro from $350 a month. · [VentureBeat](https://venturebeat.com/business/is-your-ai-app-pissing-off-users-or-going-off-script-raindrop-emerges-with-ai-native-observability-platform-to-monitor-performance/) ## What others say about Raindrop - [Continual learning starts with traces, replay and training](https://realalpha.app/s/continual-learning-starts-with-traces-replay-and-training/) · Ronak Malde · Training Data · Nov 5, 2026 > “like Braintrust, Raindrop, where you can basically plug into your infrastructure” ## Questions people ask ### Is Raindrop a public company? Can I buy Raindrop stock? No. Raindrop is private and has no ticker, so its shares aren't sold on any exchange. ### When will Raindrop IPO? No IPO plan or filing has been reported. ### Who owns Raindrop? Its founders, staff and investors, including CRV, Lightspeed Venture Partners, Figma Ventures, Vercel Ventures and Y Combinator. Stakes haven't been disclosed. ### Who is the CEO of Raindrop? Zubin Koticha, who co-founded it with Ben Hylak and Alexis Gauba. ### Who founded Raindrop? Ben Hylak, Zubin Koticha and Alexis Gauba, in 2023. It went through Y Combinator's Winter 2024 batch. ### How much is Raindrop worth? Its valuation hasn't been disclosed. It has raised $50M in total, most recently a [$35M Series A](https://lapaasvoice.com/raindrop-funding-agent-testing) led by CRV in September 2026. ### How much revenue does Raindrop make? It hasn't disclosed revenue or annual recurring revenue, [Lapaas Voice](https://lapaasvoice.com/raindrop-funding-agent-testing) reported in September 2026. ### How does Raindrop make money? It sells subscriptions to its monitoring platform. In May 2025 plans started at $65 a month, with Pro from $350 a month, [VentureBeat](https://venturebeat.com/business/is-your-ai-app-pissing-off-users-or-going-off-script-raindrop-emerges-with-ai-native-observability-platform-to-monitor-performance/) reported. ### How many customers does Raindrop have? More than 200, according to its [careers page](https://www.raindrop.ai/careers/), including teams at Vercel, Speak and Clay. ### Who are Raindrop's competitors? Braintrust, Arize Phoenix, Langfuse, LangSmith and neatlogs, according to a [November 2026 comparison](https://www.usecarly.com/blog/raindrop-ai/). ## How this page is sourced Each figure links to the filing, company statement or news report it came from, with its date. Run rates are what reporters were told, not audited results; estimates and unconfirmed reports are marked. Quotes are what each person said on the record, with the minute they said it.