AI testing startup Momentic announced a $15 million Series A round led by Standard Capital, with participation from Dropbox Ventures and existing backers including Y Combinator, FCVC, Transpose Platform and Karman Ventures. The funding follows a $3.7 million seed round and will support product expansion such as mobile‑environment testing and deeper test‑case management. Co‑founders Wei‑Wei Wu and Jeff An, veterans of Qualtrics and WeWork, say the AI‑powered platform lets users describe critical flows in plain English and automatically creates tests. Momentic now serves roughly 2,600 users, counting customers like Notion, Xero, Bilt, Webflow and Retool. Read more →

AI startup Mem0 has raised $24 million in a funding round led by Basis Set Ventures, with participation from Peak XV, Y Combinator, and other investors. The company offers a model‑agnostic memory framework that lets developers store, retrieve, and evolve user data across large language models and applications. Mem0’s open‑source API has garnered over 41,000 GitHub stars and more than 13 million Python package downloads, while its cloud service serves over 80,000 developers and processes hundreds of millions of API calls. The startup positions itself as a neutral, interoperable memory layer for the growing AI ecosystem. Read more →

Emergent, a startup that lets non‑technical users create mobile apps through AI‑driven prompts, announced a $23 million Series A funding round led by Lightspeed. The round also included participation from Y Combinator, Together and several high‑profile angels. Emergent’s platform abstracts the entire software development lifecycle, handling everything from code generation to deployment and bug fixing. Since its launch, more than 1 million people have built over 1.5 million apps on the service. The company aims to broaden its capabilities, including a forthcoming native mobile client and new tools for ideation and discovery. Read more →

Human Behavior, founded by 20‑year‑old Amogh Chaturvedi and his 22‑year‑old co‑founders Skyler Ji and Chirag Kawediya, has closed a $5 million seed round backed by General Catalyst, Paul Graham, Vercel Ventures and Y Combinator. The startup leverages vision AI to watch user session replays, automatically generating insights that replace manual event tracking used by tools like Mixpanel and PostHog. Its early customers—fast‑moving Series A and B startups—receive daily summary emails on feature usage, bugs and churn. The founders aim to become the “Datadog of session replay,” expanding the platform into multiple products. Read more →

CoreWeave, a cloud provider for large‑scale AI model training, announced an agreement to acquire OpenPipe, a Y Combinator‑backed startup that offers tools for building customized AI agents through reinforcement learning. The deal aims to combine OpenPipe’s open‑source agent‑training toolkit with CoreWeave’s high‑performance infrastructure, giving developers a stronger platform for scalable intelligent systems. Terms of the acquisition were not disclosed. The move follows CoreWeave’s recent purchase of the AI developer platform Weights & Biases, signaling a broader strategy to move down the AI stack and serve both major labs and smaller enterprises. Read more →

Replit announced a $250 million financing round that lifts its valuation to $3 billion. The round was led by Prysm Capital with participation from Amex Ventures and Google’s AI Futures Fund, while earlier backers such as Y Combinator, Andreessen Horowitz, and Coatue also took part. The company reports an annualized revenue surge from $2.8 million to $150 million in less than a year, surpassing the $100 million ARR reported in June. Replit’s deep ties to Google Cloud and its recent inclusion on Microsoft Azure highlight its expanding platform ecosystem. Read more →

Rulebase, a Y Combinator‑backed startup founded by Nigerian engineers Gideon Ebose and Chidi Williams, has closed a $2.1 million pre‑seed round led by Bowery Capital. The company’s AI “agent coworker” automates back‑office functions such as compliance, quality assurance and dispute handling for financial‑service firms. Already deployed at U.S. business bank Rho and a Fortune 50 financial institution, the platform integrates with tools like Zendesk, Jira and Slack, evaluates 100 % of customer interactions, and claims cost reductions of up to 70 % and escalation cuts of up to 30 %. Rulebase plans to expand its workflow automation into fraud investigation, audit preparation and regulatory reporting. Read more →

Numeral, a sales‑tax compliance startup founded by Sam Ross, announced a $35 million Series B financing round led by Mayfield, with participation from Benchmark, Uncork Capital, Y Combinator and Mantis. The funding values the two‑year‑old company at $350 million and will accelerate its AI‑driven platform that automates tax collection, filing and payment for e‑commerce and SaaS businesses across thousands of jurisdictions. Numeral’s growth includes a 3.5‑times revenue increase over the past year and a client base exceeding 2,000 firms, positioning it against incumbents such as Avalara. Read more →

Google Cloud announced that AI coding startups Lovable and Windsurf have chosen the platform as their primary cloud provider. The deals highlight Google Cloud’s strategy to attract fast‑growing generative‑AI firms, leveraging its Gemini models, Nvidia GPU clusters, and generous startup credit programs. This expansion adds to Google Cloud’s recent revenue growth and underscores its push to compete more aggressively with rivals AWS and Microsoft Azure. Read more →

Human Behavior, founded by 20‑year‑old Amogh Chaturvedi and his 22‑year‑old co‑founders Skyler Ji and Chirag Kawediya, has closed a $5 million seed round backed by General Catalyst, Paul Graham, Vercel Ventures and Y Combinator. The startup leverages vision AI to watch user session replays, automatically generating insights that replace manual event tracking used by tools like Mixpanel and PostHog. Its early customers—fast‑moving Series A and B startups—receive daily summary emails on feature usage, bugs and churn. The founders aim to become the “Datadog of session replay,” expanding the platform into multiple products. Read more →

Human Behavior, founded by 20‑year‑old Amogh Chaturvedi and his 22‑year‑old co‑founders Skyler Ji and Chirag Kawediya, has closed a $5 million seed round backed by General Catalyst, Paul Graham, Vercel Ventures and Y Combinator. The startup leverages vision AI to watch user session replays, automatically generating insights that replace manual event tracking used by tools like Mixpanel and PostHog. Its early customers—fast‑moving Series A and B startups—receive daily summary emails on feature usage, bugs and churn. The founders aim to become the “Datadog of session replay,” expanding the platform into multiple products. Read more →

CoreWeave, a cloud provider for large‑scale AI model training, announced an agreement to acquire OpenPipe, a Y Combinator‑backed startup that offers tools for building customized AI agents through reinforcement learning. The deal aims to combine OpenPipe’s open‑source agent‑training toolkit with CoreWeave’s high‑performance infrastructure, giving developers a stronger platform for scalable intelligent systems. Terms of the acquisition were not disclosed. The move follows CoreWeave’s recent purchase of the AI developer platform Weights & Biases, signaling a broader strategy to move down the AI stack and serve both major labs and smaller enterprises. Read more →

CoreWeave, a cloud provider for large‑scale AI model training, announced an agreement to acquire OpenPipe, a Y Combinator‑backed startup that offers tools for building customized AI agents through reinforcement learning. The deal aims to combine OpenPipe’s open‑source agent‑training toolkit with CoreWeave’s high‑performance infrastructure, giving developers a stronger platform for scalable intelligent systems. Terms of the acquisition were not disclosed. The move follows CoreWeave’s recent purchase of the AI developer platform Weights & Biases, signaling a broader strategy to move down the AI stack and serve both major labs and smaller enterprises. Read more →

Replit announced a $250 million financing round that lifts its valuation to $3 billion. The round was led by Prysm Capital with participation from Amex Ventures and Google’s AI Futures Fund, while earlier backers such as Y Combinator, Andreessen Horowitz, and Coatue also took part. The company reports an annualized revenue surge from $2.8 million to $150 million in less than a year, surpassing the $100 million ARR reported in June. Replit’s deep ties to Google Cloud and its recent inclusion on Microsoft Azure highlight its expanding platform ecosystem. Read more →

Replit announced a $250 million financing round that lifts its valuation to $3 billion. The round was led by Prysm Capital with participation from Amex Ventures and Google’s AI Futures Fund, while earlier backers such as Y Combinator, Andreessen Horowitz, and Coatue also took part. The company reports an annualized revenue surge from $2.8 million to $150 million in less than a year, surpassing the $100 million ARR reported in June. Replit’s deep ties to Google Cloud and its recent inclusion on Microsoft Azure highlight its expanding platform ecosystem. Read more →

Rulebase, a Y Combinator‑backed startup founded by Nigerian engineers Gideon Ebose and Chidi Williams, has closed a $2.1 million pre‑seed round led by Bowery Capital. The company’s AI “agent coworker” automates back‑office functions such as compliance, quality assurance and dispute handling for financial‑service firms. Already deployed at U.S. business bank Rho and a Fortune 50 financial institution, the platform integrates with tools like Zendesk, Jira and Slack, evaluates 100 % of customer interactions, and claims cost reductions of up to 70 % and escalation cuts of up to 30 %. Rulebase plans to expand its workflow automation into fraud investigation, audit preparation and regulatory reporting. Read more →

Rulebase, a Y Combinator‑backed startup founded by Nigerian engineers Gideon Ebose and Chidi Williams, has closed a $2.1 million pre‑seed round led by Bowery Capital. The company’s AI “agent coworker” automates back‑office functions such as compliance, quality assurance and dispute handling for financial‑service firms. Already deployed at U.S. business bank Rho and a Fortune 50 financial institution, the platform integrates with tools like Zendesk, Jira and Slack, evaluates 100 % of customer interactions, and claims cost reductions of up to 70 % and escalation cuts of up to 30 %. Rulebase plans to expand its workflow automation into fraud investigation, audit preparation and regulatory reporting. Read more →

Numeral, a sales‑tax compliance startup founded by Sam Ross, announced a $35 million Series B financing round led by Mayfield, with participation from Benchmark, Uncork Capital, Y Combinator and Mantis. The funding values the two‑year‑old company at $350 million and will accelerate its AI‑driven platform that automates tax collection, filing and payment for e‑commerce and SaaS businesses across thousands of jurisdictions. Numeral’s growth includes a 3.5‑times revenue increase over the past year and a client base exceeding 2,000 firms, positioning it against incumbents such as Avalara. Read more →

Numeral, a sales‑tax compliance startup founded by Sam Ross, announced a $35 million Series B financing round led by Mayfield, with participation from Benchmark, Uncork Capital, Y Combinator and Mantis. The funding values the two‑year‑old company at $350 million and will accelerate its AI‑driven platform that automates tax collection, filing and payment for e‑commerce and SaaS businesses across thousands of jurisdictions. Numeral’s growth includes a 3.5‑times revenue increase over the past year and a client base exceeding 2,000 firms, positioning it against incumbents such as Avalara. Read more →

Google Cloud announced that AI coding startups Lovable and Windsurf have chosen the platform as their primary cloud provider. The deals highlight Google Cloud’s strategy to attract fast‑growing generative‑AI firms, leveraging its Gemini models, Nvidia GPU clusters, and generous startup credit programs. This expansion adds to Google Cloud’s recent revenue growth and underscores its push to compete more aggressively with rivals AWS and Microsoft Azure. Read more →